Shared Flashcard Set

Details

2A551 Aerospace Maintenance Vol 1
5-level CDC Unit Review Exercises
301
Aviation
Professional
08/14/2011

Additional Aviation Flashcards

 


 

Cards

Term

(001) In the operational risk management process, the repsonsiblity for identifying and controlling hazards rests with:

-trainers

-everyone

-supervisors

-commanders

Definition
EVERYONE
Term

(001) What estimated percent of accidents are caused by nature?

 

2 percent

4 percent

6 percent

8 percent

Definition
2 percent
Term

(001) Which safety-training phase is an effective tool that creates a lasting impression for new airman?

 

Initial

General

Supervisor's

Sustained Job Safety

Definition
INITIAL
Term

(001) Responsibility for initiaing a lost tool report rests with the:

 

expediter or production supervisor

 

flight chief or flight commander

 

person that was issued the tool

 

CTK support section

 

Definition
PERSON THAT WAS ISSUED THE TOOL.
Term

(001) The lowest person authorized to clear a Red X when a lost tool cannot be located is:

 

the crew chief

 

the aircraft engineer

 

the wing commander

 

an individual assigned to maintenance supervision

 

Definition
an individual assigned to the maintenance supervison.
Term

(001) The pressure in a fire extinguisher is within a safe operating range when the gauge needle is within the:

 

red markings

 

black markings

 

green markings

 

orange markings

Definition
GREEN MARKINGS
Term

(001)  Minimum requirements for position of fire extinguishers is listed in:

 

TO 005-01

 

TO 00-25-172

 

AFOSHSTD 91 SERIES

 

AFOSHSTD 127 SERIES

Definition
TO 00-25-172
Term

(002) Wearing dog tags, wristwatches, or other jewelery is expressly forbidden:

 

during fuel servicing operations

 

during inspection of engine inlets

 

when you're servicing high-pressure air

 

when you're working on electrical equipment

Definition
WHEN WORKING ON ELECTRICAL EQUIPMENT
Term

(002) Fall protection is required when it becomes necessary to perform required tasks where a worker can fall:

 

5 feet or more

 

10 feet or more

 

20 feet or more

 

25 feet or more

Definition
10 FEET OR MORE
Term

(003)Radiation hazards are affected by:

 

 strength of emission, time of exposure and weather

 

strength of emission, time of day and the input power

 

input power, weather and number of personnel in the area

 

time of exposure, amount of training, and number of operating units

Definition
strength of emission, time of exposure, and weather
Term

(003) The recommended procedure for cooling an overheated brake assembly is to part the aircraft in an isolated location, then

 

spray with cold water

 

cool with forced air from a blower

 

cool with high-pressure compressed air

 

allow the assembly to cool in the ambient air

Definition
allow the assembly to cool in the ambient air
Term

(003) Normally, the SAFE distance behind an operating jet engine exhaust is

 

125 feet

 

150 feet

 

175 feet

 

200 feet

Definition
200 FEET
Term

(003) How is a maintenance stand secured when placed near an operating propeller?

 

remove stand towbar

 

place sand bags on top of stand

 

wrap chains around each wheel individually

 

use chains to secure handrails to stand

 

Definition
Wrap chains around each wheel individually.
Term

(003) Which symptom is NOT a sign of noise fatigue?

 

dizziness

 

emotional irritability

 

 a feeling of emptiness

 

impairment of mental concentration

Definition
a feeling of emptiness
Term

(004) Any fuel spill NOT over 50 square feet and NOT continuous is classified as a

 

Class I

 

Class II

 

Class III

 

Class IV

Definition
Class II
Term

(004) Individuals who ARE NOT involved in a nitrogen servicing operation SHOULD be outside a

 

15 foot radius

 

20 foot radius

 

25 foot radius

 

50 foot radius

 

Definition
20 foot radius
Term

(005) To ensure equipment is ready and available at the time of need, the Air Force uses

 

preventive maintenance

 

corrective maintenance

 

protective maintenance

 

unscheduled maintenance

 

Definition
preventive maintenance
Term

(005) Responsibility for establishing a climate that promotes maintenance discipline rests with

 

first sergeants

 

subordinate personnel

 

immediate supervisors

 

squadron commanders

 

 

Definition
immediate supervisors
Term

(006) Prime contributors to dropped objects are

 

chaff/flare discharges

 

latches and fasteners

 

jettisoned fuel tanks

 

hung weapons

 

Definition
latches and fasteners
Term

(007) The objectives of the maintenance data documentation system include:

 

calling, saving, and reviewing base-level data

 

calling, storing, and retrieving base-level data

 

collecting, saving, and reviewing base-level data

 

collecting, storing, and retrieving base-level data

 

Definition
collecting...storing...retrieving base-level data
Term

(007) The basic rules for the maintenance data documentation system are contained in TO

 

00-5-1

 

00-20-1

 

00-20-2

 

00-20-5

 

Definition
00-20-2
Term

(008) The three phases of the oeprational events subsystem of the IMDS CDB are:

 

input, output and archive

 

on-line, off-line and update

 

data recording, tracking and retrieval

 

mission recording, mission accomplishment and analysis

 

Definition
mission recording, mission accomplishment and analysis
Term

(008) You can use the IMDS CDB Training Management Subsystem to monitor

 

upgrade training

 

optional training

 

specialty training

 

qualitative training

Definition
upgrade training
Term

(009) After student graduation, how many days later is the technical school graduate assessment survey normally sent out to the organization?

 

45

 

60

 

90

 

120

 

Definition
90 days
Term

(009) Unsatisfactory comments on the graduate assessment survey are answered by:

 

the instructor of the student using an AETC Form 156

 

a telephone call from teh instructor of the student

 

electronic email from the instructor of the student

 

a letter fromt he instructor of the student

 

Definition
a telephone call from the instructor of the student
Term
(010) Tasks that person is expected to perform in a duty position or workcenter but ARE NOT included in the CFETP Part II or AFJQS are listed on what form?
Definition
AF Form 797
Term

(011) Who may standardize the arrangements of the forms binder?

 

Flight chief

 

Section chief

 

MAJCOMS

 

Wing commander

Definition
MAJCOMS
Term
(011) To obtain billing information for fuel and oil on an aircraft, which AFTO form would you check?
Definition
AFTO Form 781F
Term

(011) When MUST the AFTO Form 781 be removed from the forms binder?

 

before each thruflight

 

before the first flight of the day

 

after each maintenance action with an assigned job control number

 

after the IMDS CDB event number is entered at maintenance debriefing

 

Definition
After the IMDS CDB event number is entered at the maintenance debriefing
Term

(011) Engine over-temperature conditions are recorded on the AFTO Form......

 

781G

 

781J

 

781M

 

781P

 

 

Definition
781J
Term

(011) You would use the AFTO Form 781K to document (choose one)?

 

engine data

 

 daily flying time

 

replacement items

 

support general work

Definition
engine data
Term

(012) The standards for the entries to be made in the AFTO 781 series forms are specified in the ______ series of techinical orders

 

00-20

 

00-25

 

00-35

 

00-110

 

Definition
00-20
Term

Which is the proper way to manually record a date in the 781 series forms?

 

December 12, 2009

 

12 Dec 09

 

20091212

 

12/12/09

 

Definition
YYYYMMDD (20091212)
Term

(012) What action is necessary to clear an erroneous red diagonal symbol?

 

Erase the incorrect symbol and replace with correct symbol

 

an authorized individual will sign the "INSPECTED BY" block and initial over the symbol

 

place the statement "symbol entered in error" in the discrepancy block and sign the "CORRECTED BY" block

 

place the statement "symbol entered in error" in the discrepancy block and signed the "INSPECTED BY" block

 

Definition
Place the statement "Sybol entered in error" in the discrepancy block and sign the "CORRECTED BY" block.
Term

(012) During an aircraft inspection, you find a deterioraed insignia decal. What symbol would you use in the aircraft forms?

 

Red X

 

Red Dash

 

Red Diagonal

 

None, enter an INFO NOTE only.

Definition
NONE, enter an INFO NOTE only.
Term
(013) How many Air Force TO catalogs are there?
Definition
ONE
Term

(014) Inspection Workcards are known as

 

abbreviated TOs

 

technical manuals

 

methods and procedure TOs

 

scheduled inspection and maintenance requirements manual

Definition
abbreviated TOs
Term

(014) Which TCTO is identified by a series of red diagonals alternately spaced with red X's (/X/X/X) around the border of the first page?

 

Record

 

Urgent Action

 

Routine Action

 

Immediate Action

 

Definition
URGENT ACTION
Term

(014) As a general rule, ITCTO are replaced by formal TOs within how long?

 

48 hours

 

72 hours

 

10 days

 

15 days

 

Definition
10 days
Term

(015) The procedures for the entries on an AFTO Form 22 are outlined in .....

 

TO 00-5-1

 

TO 00-1-01

 

the 00-20 series TOs

 

the 00-25 series TOs

 

Definition
TO 00-5-1
Term

(015) What type of TO improvement is issued for TCTO deficiencies?

 

Emergency

 

Urgent

 

Routine

 

Record

Definition
URGENT
Term

Which type of directive publication is an extension of an instruction?

 

Directory

 

Pamphlet

 

Manual

 

Policy

Definition
Manual
Term

(016) An example of something that should not be published in an OI would be....

 

selection procedures for NCO of the Quarter

 

CTK control procedures

 

cold weather procedures

 

installation traffic rules

 

Definition
installation traffic rules
Term

(016) Publications are listed in AFIND2 in a ________ sequence

 

logical

 

numerical

 

alphabetical

 

alphanumeric

 

Definition
numerical
Term

(017) A sequence chart used in acft maintenance best serves as a .....

 

ready reference for determining the progress of the inspection

 

an outline of the minimum requirements for controlling work assignments

 

a control of work assignments for determining the type of equipment needed

 

an outline of the minimum requirements for determining the type of personnel needed

 

Definition
ready reference for determining the progress of the inspection
Term

(018) Which inspection is basically a flight preparedness check?

 

preflight

 

postflight

 

thruflight

 

end of runway

 

Definition
Preflight
Term
(018) What inspection is usually performed just prior to take off and may include operational checks of some systems?
Definition
End of Runway
Term

(018) If a basic postflight inspection is NOT required, the thru-flight inspection is normally performed when?

 

prior to an aircarft going on alert and again before a flight after completion of the alert period

 

after flights when a turn-around sortie or a continuation flight is scheduled

 

immediately prior to a basic post flight inspection

 

after the last flight of a specified flying period

 

Definition
after flights when a turnaround sortie or a continuation flight is scheduled
Term

(018) The basic postflight inspection is performed to

 

prepare the aircraft for another flight

 

determine the flight status of the aircraft

 

prepare the aircraft for the first flight of the day

 

determine if the aircraft is suitable for another flight

Definition
determine if the aircraft is suitable for another flight.
Term

(018) Which is the most extensive inspection?

 

periodic

 

thruflight

 

basic postflight

 

hourly postflight

 

Definition
PERIODIC
Term

(018) The home station check is acocmplished in conjunction with

 

minor and major inspections

 

phased and periodic inspections

 

preflight and thruflight inspections

 

hourly postflight and basic postflight inspections

Definition
Minor and Major Inspections
Term

(018) What aircraft inspection requires skills, equipment, or facilities NOT normally possessed by operating locations?

 

major maintenance

 

consolidated maintenance

 

organizational maintenance

 

programmed depot maintenance

 

Definition
Programmed Depot Maintenance
Term
(018) What symbol is entered on the forms if an aircraft exceeds the programmed depot maintenance cycle by 90 days and an extension is not granted?
Definition
RED X
Term

(018) What type of inspection is used to ensure the completness of historical documents?

 

phase

 

special

 

calendar

 

acceptance

Definition
Acceptance
Term

(201) The maintenance Stand with an adjustable height of 13-20 feet is the

 

B-1

 

B-2

 

B-4

 

B-5

Definition
B-2
Term

(201) Of the following, the maintenance stand that is a scissor-type? 

 

B-1

 

 B-2

 

 B-4

 

C-1

 

Definition
B-4
Term

(201) The type of jack normally used to change a tire on the aircraft is the

 

axle

 

tail

 

nose

 

fixed-height

 

Definition
axle
Term
(201) The boiling point of liquid oxygen (LOX) is _____.
Definition
-297 degrees F
Term

(201) The low-and high pressure capabilities, as measured in pounds per square inch gage (psig), of the NSU-L75 nitrogen-servicing unit are:

 

0-300; 300-3500

0-300; 300-3600

0-350; 350-3500

0-350; 350-3600

Definition
0-350; 350-3,600
Term

(201) The high-pressure pump provides a hydraulic filler pressurization unit with a maximum pressure of

 

2,000 psi

 

2500 psi

 

3000 psi

 

3500 psi

Definition
3,000 psi
Term

(201) The model 4000 engine trailer can support a maximum load of

 

7,000 lbs

 

8,000 lbs

 

9,000 lbs

 

10,000 lbs

 

Definition
8,000 lbs
Term

(202) The usable pressure range, as measured in pounds per square inch (psi), of the MC-1A air compressor is

 

0-200 psi

 

0-350 psi

 

0-3,200 psi

 

05-3,500 psi

 

Definition
0-3,200 psi
Term

(202) The MC-2A air compressor is capable of delivering air at a maximum pressure, measured in pounds per square inch (psi) of ____.

 

200

 

300

 

3,500

 

3,600

Definition
200 psi
Term

(202) The H-1 heater has an adjustable heat output that ranges from

 

100 degrees F to 230 degrees F

 

115 degrees F to 250 degrees F

 

125 degrees F to 270 degrees F

 

150 degrees F to 280 degrees F

Definition
150 degrees F to 280 degrees F
Term

(202) The stationary, skid-mounted power unit that produces aircraft electrical power for use in shops and hangars is the _________.

 

A/M32A-95

 

MK-3A

 

MD-4

 

MB-2

 

 

Definition
MD-4.
Term

(202) The unit capable of providing bother alternating current (AC) and direct current (DC) electrical power in additional pneumatic power for ground maintenance is _____________.

 

A/M32A-95

 

A/M32A-86

 

A/M32A-60

 

AF/M-32R-3

 

Definition
A/M32A-60.
Term

(202) The hydraulic systems on the MK_3A-1 hydraulic test stand are designated

 

primary and secondary

 

primary and alternate

 

no 1 and no 2

 

left and right

 

Definition
No. 1 and No. 2
Term

(202) The amount of fluid the MJ-2A reservoir holds is _____.

 

19 gallons

 

27 gallons

 

30 gallons

 

60 gallons

 

Definition
27 gallons
Term

(202) A Class 1 MB-2 Tractor weighs _____.

 

2,700 lbs

 

40,000 lbs

 

53,000 lbs

 

500,000 lbs

 

Definition
40,000 lbs
Term

(203) The structural members, whose CHIEF use is to give shape to the acft and provide a means for attaching the skin to the structure, are called ________.

 

longerons

 

bulkheads

 

stringers

 

frames

Definition
stringers
Term

(203) The MOST COMMON type of material used for fuselage construction is _________.

 

steel

 

titanium

 

magnesium

 

aluminum alloy

 

Definition
aluminum alloy
Term

(203) The wing components that provide strength and contour shape to the wing are the ________.

 

ribs

 

spars

 

stringers

 

stiffeners

 

Definition
ribs
Term

(203) The main difference between inspection plates and panels is ______.

 

size

 

material

 

location

 

installation

Definition
size
Term

(203) A cracked radome could cause _______

 

antenna oscillation

 

dielectric increase

 

microwave distortion

 

electron deteroriation

Definition
microwave distortion.
Term

(203) The reference locations, which are in the vertical direction measured from a reference datum that is usually well below the aircraft, are called

 

buttllines

 

waterlines

 

buttock stations

 

fuselage stations

 

 

Definition
waterlines.
Term

(204) The category of -21 equipment used for life support and crew comfort is

 

I

 

II

 

III

 

IV

Definition
III
Term

(204) The EFFECTIVE range of a FULLY charged handheld fire extinguisher is

 

5 feet

 

10 feet

 

15 feet

 

20 feet

 

Definition
20 feet.
Term

(205) The FIRST practical laminated composite formed was

 

safety glass

 

fiberglass

 

plywood

 

adobe

 

Definition
plywood.
Term

(206) a barometer is designed to measure pressure in____________

 

pounds per square inch (psi)

 

inches of mercury

 

relative humidity

 

ounces of air

 

 

Definition
inches of mercury.
Term

(206) Atmospheric pressure at sea level is how many psi?

 

14.7 psi

 

17.4 psi

 

29.92 psi

 

29.29 psi

 

Definition
14.7 psi
Term

(206) What force acts PARALLEL to the relative wind?

 

lift

 

drag

 

gravity

 

weight

 

Definition
DRAG
Term

(207) What axis extends lengthwise through the fuselage from the nose to the tail?

 

lateral

 

vertical

 

horizontal

 

longitudinal

 

Definition
longitudinal
Term

(207) What axis extends crosswise from wing tip to wing tip?

 

lateral

 

vertical

 

horizontal

 

longitudinal

 

Definition
Lateral
Term

(207) Movement about the vertical axis is called what?

 

roll

 

pitch

 

crab

 

yaw

 

Definition
YAW
Term

(207) Which flight control is located on the longitudinal control surface?

 

rudder

 

aileron

 

elevator

 

wing flaps

 

Definition
Elevator
Term

(207) Which flight control system allows the pilot to control the aircraft if hydraulic pressure is lost?

 

boost

 

manual

 

powered

 

differential pressure

 

 

Definition
BOOST
Term

(207) When making a RIGHT turn, the relative position of the ailerons is the right aileron _____ and the left aileron ______

 

right up, left aileron up

 

right down,left aileron down

 

right up, left aileron down

 

right down, left aileron up

 

Definition
right is up, left is down.
Term

(207) Which flight control surfaces are used to make an aircraft climb or dive?

 

flaps

 

spoilers

 

ailerons

 

elevators

 

 

Definition
Elevators
Term

(207) What type of flap is NORMALLY incorporated on bomber and cargo type aircraft?

 

split

 

plain

 

fowler

 

slotted

 

 

Definition
Fowler
Term

(207) Why do aircraft have trim systems?

 

to reduce the amount of lift

 

to prevent the aircraft from stalling

 

to correct minor deviations in flight attitude

 

improve augmented lateral control surface movement

 

Definition
to correct minor deviations in flight attitude.
Term

(208) The law that states "the distortion of any elastic body is proportional to the distorting force is known as "_____'s Law".

 

Hook's Law

 

Boyle's Law

 

Pascal's Law

 

Charles' Law

 

Definition
HOOK's Law
Term

(208) When any force causes a solid to change permanently, the solid is said to have __________.

 

passed the elastic limit

 

lost the ability to expand

 

failed to meet elastic limit

 

passed the compression limit

 

 

Definition
passed the elastic limit
Term

(208) The MOST outstanding characteristic of a liquid is its _____________.

 

rigidity

 

usability

 

ability to compress within its container

 

ability to conform to the shape of its container

 

 

Definition
ability to conform to the shape of its container.
Term

(208) Pascal's Law applies to what?

 

 

a fluid in motion

 

confined fluids at rest

 

fluids flowing through a restriction

 

fluids subjected to high temperatures

 

Definition
confined fluids at rest
Term

(208) Among the first to study the compressibility of gases was whom?

 

Hook

 

Boyle

 

Pascal

 

Charles

 

Definition
BOYLE
Term

(208) The person who found that all gases expand and contract in direct proportion to the change in temperature, provided the pressure remains constant, was ________.

 

Hook

 

Pascal

 

Charles

 

Bernoulli

 

 

Definition
CHARLES
Term

(209) If 50 lbs per square inch (psi) of cylinder pressure acts on a 5-square-inch piston head, the resulting force will be ______.

 

150 lbs

 

200 lbs

 

250 lbs

 

300 lbs

 

 

Definition
250 pounds
Term

(209) When an 8-square inch piston moves 5 inches within a cylinder, the volume of liquid displaced will be

 

4 cubic inches

 

40 cubic inches

 

400 cubic inches

 

4,000 cubic inches

 

Definition
40 cubic inches
Term

(209) The principle, which states that as the velocity of a gas or liquid increases, pressure decreases, is

 

Hook's

 

Boyle's

 

Pascal's

 

Bernoulli's

 

Definition
Bernoulli's
Term

(209) As fluid enters the narrow portion of a venturi, ___________.

 

it decelerates

 

it accelerates

 

nothing happens

 

pressure increases

 

 

Definition
it accelerates.
Term

(210) When referring to hydraulic hand pumps, double-action means:

 

fluid flow is created with each stroke of the pump handle

 

fluid flow is created with every other stroke of the pump handle

 

double volume is displaced with each stroke of the pump handle

 

double volume is dispalced with every other stroke of the pump handle

 

 

Definition
fluid-flow is created with each stroke of the pump handle.
Term

(210) Variable-volume pumps do not require a separate pressure-regulating device in the system because:

 

they deliver low pressure

 

they have an integral compensator

 

the case drain will relieve high system pressure

 

there is no angle between the drive shaft and cylinder back

 

Definition
they have an integral compensator
Term

(210) Cooler operation in a variable-volume hydraulic pump is provided by:

 

foot valves

 

oil radiator

 

creep plates

 

fluid radiator

 

 

Definition
creep plates
Term

(210) In the Stratopower variable-volume pump, the pistons are held in contact with the cam plate by the:

 

fixed pivot

 

nutating plate

 

stationary bearing

 

compensator piston

 

Definition
nutating plate.
Term

(211) An accumulator's piston is installed with the:

 

piston in either direction

 

hollow end toward the air side of the accumulator

 

hollend end toward the fluid side of the accumulator

 

drilled passage toward the air side of the accumulator

 

Definition
hollow end toward the air side of the accumulator.
Term

(211) The size of one micron is four _____ of an inch.

 

tenths

 

thousandths

 

millionths

 

billionths

 

 

Definition
millionths
Term

(211) If a filter is rated at 10 microns NOMINAL, what happens?

 

may allow some particles 10 microns or larger to get through

 

will not allow any particles greater than 9 microns to pass through

 

will not allow any particles larger than 10 microns to pass through

 

will not allow any particles smaller than 10 microns to pass through

 

Definition
it may allow some particles 10 microns or larger to get through.
Term

(211) Hydraulic manifolds are used in a hydraulic system to provide a location where the _________.

 

return lines can join together

 

pressure lines can join together

 

common fluid lines can come together

 

hyrdraulic test stand can be connected

 

Definition
common fluid lines can come together.
Term

(212) What is the pneudraulic system component that uses a single-acting actuating cyclinder?

 

rudder

 

cargo door

 

brake assembly

 

nosewheel steering

 

Definition
BRAKE ASSEMBLY
Term

(212) What pneudraulic system component uses a double-acting balanced actuating cylinder?

 

speed brake

 

brake assembly

 

cargo door system

 

nosewheel steering

 

 

Definition
Nosewheel steering
Term

(212) Some aircraft manufactures use the term "power control cylinders" when referring to what?

 

power snubber

 

internal snubber

 

locking actuator

 

tandem actuators

 

Definition
tandem actuators
Term

(212) The pressure at which the relief valve ball is SLIGHTLY UNSEATED is called the ______________ pressure.

 

normal system pressure

 

cracking pressure

 

full flow pressure

 

reseating pressure

Definition
cracking pressure
Term

(212) The MAJOR advantage of the manual slide-type hydraulic selector valve is its __________.

 

damping ability

 

metering ability

 

capability to allow system pressure to build

 

capability to relieve excess system pressure

 

Definition
metering ability
Term

(212) The difference between a selector valve and a servo vavle is _____________________.

 

the selector valve has four ports

 

the selector valve is more complex

 

the servo valve will control fluid-flow

 

the servo valve is electrically operated

 

 

Definition
The Servo Valve will control fluid-flow.
Term

(212) The purpose of a hydraulic system check valve is to __________.

 

allow flow in only one direction

 

prevent loss of fluid if a line breaks

 

supply on demand pressure to components

 

relieve excess pressure due to thermal expansion

 

Definition
allow flow in only one direction
Term

(212)What is another name for a flapper check valve?

 

ball check valve

 

gate check valve

 

cone check valve

 

restrictor check valve

 

Definition
GATE check valve
Term

(212) Allowing normal operating speed of a hydraulic actuator in one direction while LIMITING speed in the other direction is done by the ________________.

 

automatic check valve

 

restrictor check valve

 

bypass valve

 

relief valve

 

 

Definition
restrictor check valve.
Term

(213) The four major sections of a basic hydraulic system are:

 

return, auxilliary, gravity and supply

 

supply, pressure, demand and gravity

 

supply, pressure, return and auxilliary

 

return, auxiliary, demand and pressure

 

 

Definition
Supply, Pressure, Return and Auxiliary
Term

(213) The reservoir supplies hydraulic fluid to a hand pump by ___________.

 

delivery priority

 

the suction effect of the pump

 

gravity and the suction effect of the pump

 

in response to pressure demand and the suction effort of the pump

 

 

Definition
gravity and the suction effect of the pump.
Term

(213) A relief valve is installed in a variable-volume hydraulic pump to ______________.

 

bypass a blocked valve

 

compensate for pump pressure failure

 

relieve pressure if the pump compensator fails

 

relieve pressure when the foot valve is blocked

 

 

Definition
relieve pressure if the pump compensator fails.
Term

(213) How are the actuating units connected in MOST hydraulic subsystems?

 

intersectionally

 

in sequence

 

in parallel

 

linearly

 

Definition
in Parallel
Term

(214) What shock strut component controls the rate of fluid-flow through the oriface?

 

check valve

 

bypass valve

 

metering pin

 

flow transmitter

 

 

Definition
metering pin
Term

(214) What is the purpose of the torsion links on a main landing gear?

 

to reduce oscillation during extension

 

to reduce oscillation during retraction

 

allow the inner cylinder to rotate within the outer cylinder

 

prevent the inner cylinder from rotating within the outer cylinder

 

 

Definition
to prevent the inner cylinder from rotating within the outer cylinder
Term

(214) How is the motion of of the landing gear control lever transmitted to the selector valve?

 

electrically

 

by push-pull rods

 

by a cable system

 

through hydraulic pressure

 

 

Definition
by a cable system
Term

(214) How are Landing Gear Safety Switches Actuated?

 

by control cams

 

by shock struts

 

by torsion links

 

by control linkage

 

 

Definition
by torsion links
Term

(214) What are the two most common types of shimmy dampers used in nose wheel steering?

 

vane and servo

 

vane and spline

 

piston and vane

 

piston and servo

 

Definition
Piston and Vane
Term

(215) The purpose of aircraft brakes is to:

 

reduce takeoff roll

 

reduce wheel skidding

 

retard motion using rotation

 

retard motion using friction

 

Definition
retard motion using FRICTION
Term

(215) What is the purpose of deboosters?

 

to decreace fluid volume

 

reduce braking pressure

 

enlarge running clearance

 

increase braking pressure

 

Definition
REDUCE BRAKING PRESSURE
Term

(215) What are the two types of emergency brake systems?

 

electric and manual

 

hydraulic and electric

 

manual and pnuematic

 

hydraulic and pneumatic

 

Definition
Hydraulic and Pneumatic
Term

(215) What is the purpose of the anti-skid system?

 

TO REDUCE FRICTION BETWEEN THE WHEEL AND THE TIRE

 

TO INCREASE FRICTION BETWEEN THE WHEEL AND TIRE

 

TO PREVENT WHEEL SKID BY APPLYING PRESSURE TO THE SKIDDING WHEEL

 

TO PREVENT WHEEL SKID BY RELEASING PRESSURE FROM THE SKIDDING WHEEL

 

Definition
to prevent wheel skid by releasing pressure from the skidding wheel
Term

(216) How are split wheels balanced?

 

during build up

 

as an assembly

 

individually by halves

 

by a self-balancing system

 

Definition
Individually by halves
Term

(216) An airtight seal is maintained between split wheel halves by use of what?

 

a rubber liner

 

an O-ring seal

 

a phenolic ring

 

machined-mated surfaces

 

 

 

 

Definition
An O-ring seal
Term

(216) What type of bearings are used on aircraft wheels?

 

flat roller

 

straight ball

 

recessed cone

 

tapered roller

 

Definition
Tapered Roller
Term

(216) What is the bearing cone of an aircraft wheel bearing also called?

 

outer race

 

inner race

 

bearing cup

 

roller mount

 

Definition
INNER RACE
Term

(216) What kinds of pitting affect bearings?

 

segmented and peel

 

corrosive and segmented

 

corrosive and mechanical

 

mechanical and segmented

 

Definition
Corrosive and Mechanical
Term

(216) The two types of brinelling are:

 

true and false

 

passive and active

 

neutral and natural

 

negative and positive

 

Definition
TRUE and FALSE
Term

(217) An aircraft's tire maximum recommended static load is called what?

 

ply rating

 

serial number

 

service rating

 

manufatured wear limit

 

Definition
PLY Rating
Term

(217) The term "ply rating" refers to what?

 

maximum allowable tire speed

 

number of reinforcement cords

 

number of cord piles in a tire

 

index of tire casing strength

 

Definition
The index of tire casing strength
Term

(217) For tires 24 inches or greater outside diameter, the tire shall be removed when wear reaches the bottom of any tread groove for a continuous length of _________.

 

four inches

 

six inches

 

12 inches

 

16 inches

 

Definition
12 inches
Term

(218) Matter is any substance that has mass and.......

 

can be seen

 

occupies space

 

has constance volume

 

cannot be compressed

 

Definition
occupies space
Term

(218) Atoms are made up of....

 

molecules, protons, neutrons

 

protons, molecules, electrons

 

molecules, neutrons, electrons

 

protons, neutrons, electrons

 

Definition
Protons Neutrons Electrons
Term

(218) Electrons can be released from their outer orbit by all of the following forces except:

 

heat

 

cold

 

chemical action

 

changing magnetic field

Definition
cold
Term

(219) Thr greather the current flow through an electromagnet, the ...

 

less the strength

 

greater the strength

 

greater the retentivity

 

higher the reluctance of the core

 

 

Definition
greater the strength
Term

(219) To determine the direction a current-carrying conductor will move in a magnetic field, you should use the ______ rule for ______.

 

left had rule for coils

 

right hand rule for coils

 

left hand rule for conductors

 

right hand rule for conductors

 

Definition
left-hand rule for conductors.
Term

(220) Current that periodically reverses is called _______________.

 

potential

 

reversing

 

alternating

 

directional

Definition
alternating
Term

(220) The term used to express a condition in which two moving objects are changing in or out of step is:

 

phase

 

shunt

 

current

 

sine wave

Definition
phase
Term

(220) The methods used to cool brushless alternating current (AC) generators are:

 

blast air and ram air

 

engine oil and blast air

 

blast air and generator oil

 

generator oil and engine oil

Definition
engine oil and blast air
Term

(220) The underspeed switch (USS) on the 60/80 kilovolt ampere (KVA) generator constant speed drive (CSD) actuates at:

 

325 HZ

 

345 HZ

 

365 HZ

 

395 HZ

Definition
365 HZ
Term

(221) The internal component of a battery that is a grid or framework , which supports the active chemical materials, is the

 

plate

 

separator

 

electrolyte

 

chemcial solution

Definition
plate
Term

(221) A 24-volt nickel-cadmium battery has:

 

 

12 cells

 

19 cells

 

20 cells

 

24 cells

Definition
19 cells
Term

(221) The nickel-cadmium battery

 

-cells are not replaceable

 

-is not subject to thermal runaway

 

-service life is short and it is subject to thermal runaway

 

 -electrolyte will appear to be low when the cells are partially discharged.

Definition
electrolyte will appear to be low when the cells are partially discharged.
Term

The component designed to convert 115/220-volt alternating current (AC) power into 28-volts (or less) direct current (DC) to operate the aircraft DC system is the

 

integrated drive generator (IDG)

 

frequency and load controller

 

generator control unit (GCU)

 

transformer-rectifier (T-R)

 

 

 

Definition

transformer-rectifier (T-R)

 

Term

(222) When measuring resistance on a multimeter, the letters OL indicate:

 

error

 

infinity

 

off load

 

ohms low

Definition

INFINITY

 

Term

(401) It is important to raise the air temperature in a jet engine to

 

increase its energy

 

decrease its energy

 

decrease its volume

 

increase its efficiency

 

Definition
INCREASE ITS ENERGY
Term

(401) In a jet engine, the velocity of the air is decreased by the

 

diffuser

 

afterburner

 

compressor

 

turbine blades

 

Definition
Diffuser
Term

(401) An aircraft taxiing at a constant speed is an example of

 

Bernoulli's Law

 

Newton's First Law of Motion

 

Newton's Second Law of Motion

 

Newton's Third Law of Motion

 

Definition

Newton's First Law of Motion

 

Term

(401)  Foot-pounds and inch-pounds are units of measure for

 

work

 

power

 

inertia

 

friction

Definition
work
Term

(401) The resistance of an object to change its motion is a property of matter called

 

energy

 

inertia

 

friction

 

potential

 

Definition
inertia
Term

(402) The ability to do work is the definition of

 

energy

 

intertia

 

friction

 

velocity

Definition

energy

 

Term

(402) In a jet engine, fuel is metered for combustion by the

 

 

pressurizing and dump (P&D) valve

 

fuel nozzles

 

fuel control

 

fuel pump

 

Definition

fuel control

 

Term

(402) The average percentage of a jet engine's energy required to maintain engine oepration is

 

50

 

60

 

70

 

80

 

Definition
60
Term

(402) What affect does the divergent design of a jet engine diffuser have on pressure?

 

Increases pressure

 

Decreases pressure

 

Results in pressure fluctuations

 

Has minimum effect on pressure

Definition
Increases pressure
Term

(402) The required velocity for air and gases flowing through a jet engine is

 

low velocity at all times

 

less velocity exiting then entering

 

equal velocity entering and exiting

 

greater velocity exiting than entering

 

Definition
greater velocity exiting than entering
Term

(402) The velocity of the stream of air that flows through a jet engine reaches its highest point at the

 

 

turbine stator (nozzle diaphragm)

 

turbine exhaust cone

 

combustion section

 

ejector nozzle

 

Definition

ejector nozzle

 

Term

(403) A jet engine derives its name from the fact that

 

it is in effect a turbo-supercharger

 

the nozzles within the engine are called jets

 

it uses a turbine-type compressor to maintain power

 

it uses an exhaust-gas-driven turbine wheel to drive its compressor

 

Definition

it uses an exhaust-gas-driven turbine wheel to drive its compressor

 

Term

(403) The three major sections of all jet engines are compressor, combustion and.....

 

turbo

 

turbine

 

exhaust

 

diffuser

 

Definition
turbine
Term

(403) The condition that rapidly reduces the efficiency of a centrifrugal jet engine compressor would be

 

 

resultant velocity

 

tangential velocity

 

pressure pulsations

 

air mass leaving the impeller at great velocities

Definition

Pressure Pulsations

 

Term

(403) The type of engine that is CHEAPER to manufacture is the

 

axial flow because of size

 

centrifrugal because of size

 

axial flow because of fewer parts

 

centrifrugal because of fewer parts

 

Definition
centrifrugal because of fewer parts
Term

(404)  The percentage of combustion efficiency of a gas turbine is usually between

 

 

60 and 70

 

65 and 75

 

75 and 95

 

95 and 100

 

Definition
95 and 100
Term

(404) The term "combustion range" is defined as a jet engine's

 

steady-state zone

 

pressure-ratio zone

 

compressor stall zone

 

operating temperature zone

Definition
operating temperature zone
Term

(404) The most chemically correct ratio for burning fuel in a combustion chamber is

 

10:1

 

10:4

 

15:1

 

15:4

Definition

15:4

 

Term

(404) The inner and outer surfaces of an annular-type compustion chamber are formed by

 

interlocking stainless steel bands

 

the inner and outer diffuser case

 

a forged steel casing

 

solid sheet metal

Definition
interlocking stainless steel bands
Term

(404) The most common type of fuel nozzle system is the

 

pressure-atomizing

 

fuel-blasting

 

fuel ejector

 

fuel tube

 

Definition

pressure-atomizing

 

Term

(404) Swirl-type fuel nozzles are USUALLY used to provide what type of flame speed?

 

Low

 

High

 

Medium

 

Medium-High

Definition
High
Term

(405) The three design types of turbines used in jet engines are:

 

shrouded, unshrouded and fir tree

 

shrouded, unshrouded and corrugated

 

impulse, reaction, and reaction-impulse

 

impeller, impulse and reaction-impluse

 

Definition
impulse, reaction and reaction-impulse
Term

(405) On some jet engines, the turbine bucket is secured in place by

 

screws

 

cables

 

lockwire

 

lock strips

Definition
lock strips
Term

(406) The purpose of the exhaust duct is to

 

swirl exhast gas-flow

 

equalize exhaust gas-flow

 

modulate exhaust gas-flow

 

straighten exhaust gas-flow

 

Definition
straighten exhaust gas-flow
Term

(406) When trimming the exhaust gas temperature (EGT) of some jet engines, the nozzle area is changed by

 

mice

 

flaps

 

seals

 

segments

 

Definition
mice
Term

(406) One common type of variable-area orifice used on augmenters is the

 

flap

 

segmented

 

segmented flap

 

segmented nozzle

 

 

Definition
segmented flap
Term

(406) The augmenter component that creates local turbulence and reduces gas velocity is the

 

spraybar

 

flameholder

 

screech liner

 

fuel manifold

Definition
flameholder
Term

(407) The Hamilton Standard 54H60-91 propeller is a

 

3-bladed, reversible pitch propeller, 13.5 ft in diameter

 

3-bladed, reversible pitch propeller, 15.5 ft in diameter

 

4-bladed, reversible pitch propeller,  13.5 ft in diameter

 

4-bladed, reversible pitch propeller, 15.5 ft in diameter

Definition
4-bladed, reversible pitch propeller,  13.5 ft in diameter
Term

(407) A method of de-icing a propeller is to use

 

bleed air

 

de-icing solution

 

electrically heated elements

 

exhaust air from the H-1 heater

 

Definition

electrically heated elements

 

Term

(408) The type of fuel control that uses items such as thermocouples, relays, amplifiers and solenoids, to help control the engine is

 

pneumatic

 

fuel injection

 

hydromechanical

 

electrohydromechanical

 

Definition
electrohydromechanical
Term

(408) Pressurization of the engine fuel system is controlled by the

 

N2 sensor

 

T2.5 Sensor

 

Fuel Nozzles

 

Pressurizing and Dump (P&D) Valve

Definition
P&D Valve
Term

(408) During a visual inspection, how can you tell when a fuel filter is clogged?

 

a green flag pops out

 

fuel pressure from the fuel pump is low

 

a differential pressure indicator is actuated

 

there is no way to tell without disassembling the filter

 

Definition

a differential pressure indicator is actuated

 

Term

(409) Classified as to structure, which of the following is NOT a type of an oil pump?

 

Gear

 

Gerotor

 

Rotogear

 

Sliding Vane

Definition

Rotogear

 

Term

(409) Structurally, the most common type of oil pump in use is the

 

 

deaerator

 

scavenge

 

gerotor

 

gear

 

Definition

gear

 

Term

(409)  The valve that permits jet engine oil flow in only one direction is the

 

Relief

 

Check

 

Bypass

 

Pressurizing

Definition
Check
Term

(409)  The oil cooler that operates on the same principle as an automotive radiator is the

 

air/oil

 

fuel/oil

 

water/oil

 

hydraulic/oil 

Definition
air/oil
Term

(409) The purpose of an oil-temperature control valve used with air/oil coolers is to

 

control oil poppet valve

 

direct oil around fuel filter

 

control oil exiting from cooler

 

direct oil around or through cooler

 

Definition
direct oil around or through cooler
Term

(409) To create a static seal between two stationary parts in the oil system, use

 

wadding

 

packing

 

a gasket

 

a filler

 

Definition
a gasket
Term

(410) The air turbine (impingement) starter used on jet engines

 

 

is usually mounted on the engine accessory drive

 

uses a starter-clutch assembly to disengage the starter from the engine

 

has the advantages of less weight and fewer moving parts than other starters

 

requires high-pressure, low-volume air flow to produce torque necessary for engine start

Definition
has the advantages of less weight and fewer moving parts than other starters
Term

(410) The unit of a jet engine alternating current (AC) ignition system that develops 20,000 volts, delivered to the igniter plugs, is the

 

inverter

 

capacitor

 

generator

 

transformer

 

Definition
transformer
Term

(410) A simple direct current (DC) ignition system consists of

 

vibrator, alternating current (AC) to DC converter and transformer

 

transformer, igniter plugs and AC-to-DC converter

 

vibrator, igniter plugs, and AC-to-DC converter

 

vibrator, igniter plugs and transformer

Definition
vibrator, igniter plugs and transformer
Term

(410) An advantage of the high-energy capcitor type jet engine ignition system is it

 

produces fewer sparks

 

has fewer components in the system

 

is not dependent on the aircraft electrical system

 

makes starting possible when the igniter plugs are fouled

Definition
makes starting possible when the igniter plugs are fouled
Term

(411)  Aircraft engine indicating instruments must

 

 

be light in weight and easy to calibrate

 

operate on direct current (DC) and be small

 

be light in weight, small in size, and easy to read

 

operate on alternating current (AC) and be light in weight

Definition
be light in weight, small in size, and easy to read
Term

(411) Exhaust gas temperature (EGT) indicators indicate the engine EGT in

 

British thermal utnis (BTUs) per hour

 

PSI

 

Degrees Fahrenheit

 

Degrees Celcius

Definition
Degrees Celcius
Term

(411) The three benefits of the Joint Oil Analysis Program (JOAP) are improved safety, reduced maintenance cost, and.....

 

recycling of used oil

 

production of wear metals

 

increased equipment availability

 

increased length of time between oil changes

 

Definition
increased equipment availability
Term

(412) You should NOT use mouth-suction to take jet engine oil samples because

 

this could cause paralysis or death

 

this could cause saliva contamination of the sample

 

there is a chance of dropping the tube into the oil tank

 

this may result in a mixture of sludge from the tank bottom

 

Definition
this could cause paralysis or death
Term

(412) The most common contamination found in lubricant systems is.....

 

dirt and sand

 

grease and dirt

 

sand and plastic

 

plastic and grease

 

 

Definition
dirt and sand
Term

(413) A well-designed aircraft fuel system will ensure

 

 

positive and negative fuel-flow

 

negative fuel-flow under all conditions

 

positive fuel-flow under positive conditions

 

positive and reliable fuel-flow under all conditions

Definition
positive and reliable fuel-flow under all conditions
Term

(413) The three types of shutoff valves used in the crossfeed fuel system are the

 

 

rotary plug, disc, and check

 

disc, check and sliding gate

 

sliding gate, rotary plug, and disc

 

check, sliding gate, and rotary plug

Definition
sliding gate, rotary plug, and disc
Term

(413) The basic purpose of the fuel vent system is to....

 

move fuel from tank to tank

 

pressurize the fuel for transfer

 

remove residual fuel from manifolds

 

prevent the rupture or collapse of the fuel tanks

 

Definition
prevent the rupture or collapse of the fuel tanks
Term

(413) The fuel subsystem designed to MINIMIZE fuel boiling is......

 

vent

 

scavenge

 

crossfeed

 

pressurization

 

Definition
pressurization
Term

(414)  The minimum distance an aircraft should be parked from a hangar prior to a defueling operation is.....

 

50 feet

 

75 feet

 

100 feet

 

150 feet

Definition
50 feet
Term

(414)  The air-refueling (A/R) receptacle is operated....

 

hydraulically, but controlled electrically

 

electrically, but controlled hydraulically

 

electically, but controlled pneudraulically

 

hydraulically, but controlled pneudraulically

Definition
hydraulically, but controlled electrically
Term

(415) The output pressure and the flow ratings of a centrifugal-type fuel pump are GREATER than the system needs in order to.....

 

prevent fuel boiling evaporation at high altitudes

 

provide an ample supply of fuel in case of a single pump failure

 

provide fuel to the engines during negative g's or inverted flight conditions

 

prevent the reverse flow of fuel from a pump with a greater pressure output

Definition

provide an ample supply of fuel in case of a single pump failure

 

Term

(415) The kind of centrifugal pump is used when a fuel supply is required during periods of negative gravity conditions is....

 

a rotary-vane

 

a top-mounted

 

a dual-impeller

 

an in-line ejector

Definition
a dual-impeller
Term

(415) What characteristic distinguishes the ejector-type fuel pump from other types of fuel pumps?

 

is hydraullically driven

 

will operate without fuel

 

contains no moving parts

 

is activated by electrical motor

Definition
contains no moving parts
Term

(416)  The arrow stamped on the body of a fuel system check valve indicates the

 

 

direction of free flow

 

direction of restricted flow

 

location of the drilled hole in valve

 

location of the manufacturer's data block

Definition
direction of free flow
Term

(416) One disadvantage of a sliding gate fuel system is that it....

 

is large and heavy

 

cannot control a large flow of fuel

 

cannot withstand extreme pressures

 

tends to restrict fuel flow when open

Definition
cannot withstand extreme pressures
Term

(416) The fuel system component used to prevent excessive pressure from building up in trapped lines is the .....

 

 

thermal-relief valve

 

pressure-relief valve

 

one-way check valve

 

spring-loaded relief valve

Definition
spring-loaded relief valve
Term

(416) Another name for the disc type valve in a fuel system is.....

 

butterfly

 

swivel vane

 

sliding gate

 

swinging disc

Definition
butterfly
Term

(416) A primary fuction of the low-level shutoff valve is to control the flow of fuel

 

at altitudes below 10,000 feet

 

while taxiing on the flight line

 

being added to an unpressurized tank

 

being transferred out of a pressurized tank

Definition
being transferred out of a pressurized tank
Term

(416) The action used by the low-level shutoff valve to prevent the reverse flow of fuel through the valve is.....

 

spring

 

venturi

 

check valve

 

hydromechanical

Definition
check valve
Term

(416) Malfunctions of a fuel system vent float valve can be caused by

 

 

overfilling the fuel tank

 

operating the valve in a "dry" tank

 

loose electrical connections to the valve

 

rough handling of the valve during installation

Definition
rough handling of the valve during installation
Term

(417) In a direct current (DC), liquid-level fuel indicating system, the wiper contact is positioned on the resistance strip by....

 

signals from the amplifier

 

the movement of a float in the tanks

 

voltage changes in the indicator circuit

 

the amount of bleed air pressure applied to the tank

 

Definition
the movement of a float in the tanks
Term

(418) The primary purpose of the air pressure regulator in a fuel system is to

 

 

indicate the manifold pressure

 

 

open the vent valves during a climb or a dive

 

actuate a micro switch and turn the air flow light on

 

control the amount of pressure entering the fuel tank

 

Definition
control the amount of pressure entering the fuel tank
Term

(418) Fuel system disconnect couplings are used....

 

only in one-way systems

 

only in low-pressure systems

 

to interrupt the flow of fuel or air and prevent the loss of fluid

 

to promote the free flow of fuel or air and prevent loss of fluid

Definition
to interrupt the flow of fuel or air and prevent the loss of fluid
Term

(419) All of the following aircraft systems use engine bleed air (EBA) except

 

anti-icing

 

rain removal

 

air-conditioning

 

fire extinguishing

Definition
fire extinguishing
Term

(419) Aircraft engine temperature and pressure as it applies to the bleed air system is determined by the....

 

ambient pressure and ambient temperature

 

engine throttle setting and ambient altitude

 

ambient pressure and engine throttle setting

 

engine throttle setting and ambient temperature

Definition
engine throttle setting and ambient temperature
Term

(419) Engine bleed air (EBA) check valves are installed to.....

 

prevent the loss of compressed bleed air

 

maintain a balance airflow from each engine

 

provide a primary source for compressed bleed air

 

reduce bleed air pressure when the pressure is too high

Definition
prevent the loss of compressed bleed air
Term

(420) When installing air-conditioning ducting, the tool used to ensure alignment and sealing is the....

 

screwdriver

 

center punch

 

rawhide mallet

 

ball peen hammer

Definition
rawhide mallet
Term

(420) When a compressible flange duct end becomes distorted, the corrective action that should be taken is to.....

 

replace the duct flange ends

 

use a gasket with the duct ends

 

reposition the duct for better sealing

 

reshape the duct flange end to its original shape

Definition
reshape the duct flange end to its original shape
Term

(420) Fiberglass fabric duct installations are prevented from swelling when the aircraft climbs to high altitudes by.....

 

thermal compensators

 

expansion bellows

 

puckered flaps

 

vent holes

Definition
vent holes
Term

(420) A depression in the duct wall, wherein the surface of the material isn't cut or removed but the depression has caused sharp bends or creases in the material, is the definition of a.....

 

scratch

 

minor dent

 

major dent

 

gouge

Definition
major dent
Term

(421) The air conditioning in a cargo aircraft uses a diverter valve to divert air to....

 

the cooling turbine

 

the water separator

 

the flight station gaspers

 

flight station and cargo departments

Definition
flight station and cargo departments
Term

(421)  If the temperature of the bleed air from a cargo-type air conditioning system's primary heat exchanger exceeds 540 degrees F, the high limit section of the temperature anticipator will......

 

open the ram air valve

 

turn on a warning light

 

close the primary heat exchanger ejector valve

 

close the bleed air regulating and shutoff valve

Definition
close the bleed air regulating and shutoff valve
Term

(421) Bleed air system water separators remove 70 to 85 percent of the moisture that accumulates in the conditioned air.  This is a result of.....

 

rapid expansion

 

regulated air flow

 

interal compression

 

regulated air pressure

Definition
rapid expansion
Term

(422)  The action of the outflow valve in a fixed-isobaric, single-differential pressurization system is controlled by.....

 

a jet pump

 

flitering cabin air

 

the unrpessurized range

 

regulating control chamber pressure

Definition
regulating control chamber pressure
Term

(422) The purpose of the pneumatic relay in a cabin pressurization systemis to.....

 

control the venting of cabin pressure

 

control the reference chamber pressure

 

ensure both outflow valves operate at the same time

 

ensure the aneroid and diaphragm inlet ports remain open

Definition
ensure both outflow valves operate at the same time
Term

(422)  The manual control valve in the variable isobaric pressurization system is used as an alternate when.....

 

 

safety valve fails

 

outlfow valve fails

 

pneumatic relay fails

 

cabin pressure controller fails

 

 

Definition
cabin pressure controller fails
Term

(019) Why are aluminum allow washers used with steel bolts on aluminum alloy parts in low-torque applications?

 

reduce shearing

 

prevent vibration

 

prevent corrosion

 

reduce shimming

Definition
prevent corrosion
Term

(019) What bolt is used where heavy tension or lengthwise stress MUST be sustained?

 

Stud

 

Clevis

 

Eyebolt

 

Hexhead

Definition
Hexhead
Term

(019) which bolt has a recessed head and is used in high-tension applications?

 

stud

 

eyebolt

 

hexhead

 

internal wrenching

Definition
internal wrenching
Term

(019) At least how many threads MUST be showing through a self-locking nut for maximum locking effect?

 

 

One

 

Two

 

Three

 

Four

Definition
Two
Term

(019) To use .032 gauge safety wire properly, there should be how many turns per inch?

 

7-12

 

8-10

 

8-12

 

10-13

Definition
7-12
Term

(019) If the manufacture's brochure is NOT available, prior to using a torque wrench, you should cycle the torque wrench through the breakaway torque at the....

 

lowest setting and at least four times

 

maximum setting and at least six times

 

lowest setting and at least six times

 

maximum setting and at least six times

Definition
maximum setting and at least six times
Term

(020) Aircraft cable size is determined by its

 

length

 

radius

 

diameter

 

circumfrence

Definition
diameter
Term

(020) A 7 x 19 cable has

 

7 strands with 19 wires per strand

 

7 wires with 19 strands per wire

 

133 wires per strand

 

133 strands per wire

Definition
7 strands with 19 wires per strand
Term

(020) NORMALLY, pressure seals are constructed of

 

soft rubber

 

a phenolic mix

 

nonmagnetic materials

 

thermosetting plastic materials

Definition
soft rubber
Term

(020) To check the engagement of a push-pull rod end, you would

 

use a depth gauge to check end play

 

ensure no lateral movement exists

 

use an inside caliper to check the rod end bearing

 

insert a piece of safety wire into the hole in the end of the terminal

Definition
insert a piece of safety wire into the hole in the end of the terminal
Term

(021) Aircraft tubing can be constructed of

 

aluminum-alloy and stainless-steel

 

aluminum-alloy and galvanized steel

 

stainless-steel and chromium-alloy

 

galvanized-steel and chromium-alloy

 

Definition
aluminum-alloy and stainless-steel
Term

(021) Generally, low-pressure hoses are used for pressures of what pounds psi and below?

 

200

 

300

 

500

 

1000

Definition
300
Term

(022) What parts of a cannon plug complete the electrical circuit?

 

Metals shells

 

Connector halves

 

Dielectric contacts

 

Pin-and-socket contacts

Definition
Pin-and-socket contacts
Term

(022) What can you use to tighten cannon plugs?

 

Fingers

 

Strap wrench

 

padded conduit pliers

 

all of the above

Definition
All of the Above
Term

(023) Corrosion or deterioration of a metal part continues until the part is

 

painted

 

heat treated

 

chemically treated

 

exhausted or salvaged

Definition
exhausted or salvaged
Term

(023) What is the most severe type of corrosion, because it is hard to detect without some type of nondestructive test?

 

Filiform

 

Exfoliation

 

Intergranular

 

Corrosion fatigue

Definition
Intergranular
Term

(023) Which type of corrosion appears as corroded cracks in a metal?

 

Stress

 

Intergranular

 

Oxygen concentration cell

 

Metal ion concentration cell

Definition
Stress
Term

(023) To reduce corrosion, what procedure do you follow when working on aerospace equipment?

 

do not mark on any metal structural component with a graphite pencil

 

do not degrade or scratch any surface unless it is an authorized procedure

 

do not use graphite as a lubricant any component located in a high- heat area

 

all of the above

Definition
all of the above
Term

(024) The OPTIMUM temperature used to cool sealants that were mixed in an automatic mixing machine is

 

70 degrees F

 

75 degrees F

 

80 degrees F

 

85 degrees F

Definition
70 degrees F
Term

(024) What ADVANTAGE is gained by using acclerators to speed up an adhesive curing process?

 

Application time is reduced

 

fewer chemicals are required

 

machine mixing

 

Air isn't required to affect a cure

Definition
air isn't required to affect cure
Term

(025) For the most part, the frequency of cleaning an aircraft exterior varies depending on the

 

structural design

 

mission of the aircraft

 

environmental conditions

 

corrosion treatments available

Definition
environmental conditions
Term

(025) What type of cleaners are NOT very effective on grease, but are EXCELLENT for lightly soiled areas, plastics, and instrument glass covers in the interior of an aircraft?

 

alkaline cleaners

 

solvent cleaners

 

detergent cleaners

 

solvent emulsion cleaners

Definition
detergent cleaners
Term

(025) What solution is used to treat areas that have been affected with electrolyte from a lead-acid battery?

 

Boric acid

 

Aluminum hydroxide

 

sodium bicarbonate and water

 

potassium hydroxide and water

Definition
Sodium bicarbonate and water
Term

(025) Which statement is NOT a good lubrication tip?

 

heat lubricants to make them easier to apply

 

never apply lubricants to a corroded surface

 

force grease into fittings until new grease is evident

 

filter all oils procured in containers larger than 1-gallon size

Definition
heat lubricants to make them easier to apply
Term

(026) Under IDEAL conditions, an aircraft is operationally ready when

 

the aircraft forms are checked

 

it is released by production scheduling

 

all minor discrepancies are complete

 

the required inspection and servicng are complete

Definition
the required inspection and servicing are complete
Term

(026) Responsibility for accomplishing the -1 preflight check rests with

 

the aircrew

 

the ground crew

 

operations personnel

 

maintenance supervision

Definition
the aircrew
Term

(026) Which condition is most likely to cause aircraft damage?

 

tornadoes

 

hurricanes

 

sudden local storms

 

predicted heavy storms

Definition
sudden local storms
Term

(026) What type of jack would you use to raise an aircraft strut prior to a tire change?

 

axle

 

tripod

 

fuselage

 

fixed-height

Definition
axle
Term

(027) The F-2 lifting bag is designed to lift

 

22,000 lbs to a max height of 6 feet

 

22,000 lbs to a max height of 8 feet

 

24,000 lbs to a max height of 6 feet

 

24,000 lbs to a max height of 8 feet

Definition
24,000 lbs to a max height of 6 feet
Term

(027) during crash recovery, what method of aircraft hoisting is confined to emergencies who no other method is available?

 

cribbing

 

lifing bags

 

crane hoisting

 

aircraft jacking

Definition
crane hoisting
Term

(028) Bench stock levels are established to provide a

 

15-day usage

 

30-day usage

 

60-day usage

 

90-day usage

Definition
60 day usage
Term

(028) The maintenance activities that have the option to develop and maintain quick reference lists are those with how many or more aircraft of the same mission, design and series?

 

3

 

6

 

9

 

12

Definition
9
Term

(028) To issue an item of equipment for short specified periods, use the

 

AF Fm 2005

 

AF Fm 2413

 

AF Fm 1297

 

DD Form 1348-6

Definition
AF Fm 1297
Term

(028) Critical items are generally small numbers of items that cause the largest number of

 

mission delays

 

on-time take offs

 

NRTS conditions

 

NMCS conditions

Definition
NMCS conditions
Term

(028) Internal control of repairable itmes within maintenance is accomploished through the use of the DIFM notice and the

 

DD Fm 1131

 

AFTO Form 341

 

AFTO Form 350

 

DD form 1348-6

Definition
AFTO FORM 350
Term

(028) What copy of the DD Form 1348-1 is retained by the individual who received an item from supply

 

1

 

2

 

3

 

4

Definition
2
Term

(028) What form is used to report accomplishment of TCTO?

 

DD Form 1348-6

 

AFTO Form 349

 

AF Fm 2413

 

AF Form 2005

Definition
AFTO Form 349
Term

(028) Red margins and letters are used to allow you to easily identify the DD Form

 

1574 and DD Form 1574-1

 

15751 and DD Form 1575-1

 

1576 and DD form 1576-1

 

1577 and DD Form 1577-1

Definition
1577 and DD form 1577-1
Term

(028) Green margins and letters are used to allow you to easily identify the DD form

 

1577-2 and 1577-3

 

1576 and 1576-1

 

1574 and 1574-1

 

1575 and 1575-1

Definition
1577-2 and 1577-3
Term

(029) To report quality deficiencies attributed to errors in the workmanship, use a Category

 

I DR

 

II DR

 

III DR

 

IV DR

Definition
II DR
Term

(029) Submission of a Category II deficiency report is required within how many calendar days?

 

10

 

11

 

12

 

13

Definition
13
Term

(029) Engines overhauled by depot are covered against defects in workmanship for the first

 

100 hours of operation or 6 months from date of receipt

 

100 hours of operation or 1 year from  date of receipt

 

200 hours of operation or 6 months from date of receipt

 

200 hours of operation or 1 year from date of receipt

 

 

Definition
100 hours of operation or 1 year from date of receipt
Term

(030) What type of responsibility is assumed by an individual who has acquired physical possession of government property?

 

personal

 

custodial

 

command

 

supervisory

Definition
custodial
Term

(030) When pecuniary liability is not involved, an individual may be relieved of perperty responsibility

 

by report of survey

 

by turn-in or by transfer

 

only upon supervisors recommendation

 

only upon commanders' recommendation

Definition
by turn in or by transfer
Term

(423) Frequently used in fire warning system, the fire detector that has a high-nickel steel rod located along the centerline of a stainless steel tube assembly is called...

 

an Iron Fireman switch

 

a photoconductive cell

 

a FENWAL switch

 

a continuous cable

Definition
an Iron Fireman Switch
Term

(423)  the maximum circuit resistance within a termocouple circuit is

 

5 ohms

 

50 ohms

 

500 ohms

 

infinity

Definition
5 ohms
Term

(423) The DC voltage supplied to the lights in a photoelectric circuit is pulsed at a rate of

 

10Hz

 

100Hz

 

200Hz

 

400Hz

Definition
10 Hz
Term

(424) A liquid fire extinguishing agent douses a fire by

 

releasing a fine mist vapor

 

releasing nitrogen into the area

 

removing oxygen from the area

 

dispersing a heavy concentration of liquid

Definition
removing oxygen from the area
Term

(424) A  principal disadvantage of liquid fire extinguishing agents is they

 

are extremely cold

 

do not support combustion

 

are poisonous or highly toxic

 

require extremely heavy storage containers

Definition
are poisonous or highly toxic
Term

(424) a steady red light on the fire emergency control handle in a liquid-agent fire exinguishing system indicates

 

an open fuel valve

 

closed air valves

 

an overheat

 

a fire

Definition
a fire
Term

(424) When the pressure in a T-handle liquid fire extinguisher container becomes too low,

 

the check valve will open

 

the check vlave will close

 

the pressure switch will open

 

a light on the cockpit panel will glow

Definition
a light one the cockpit panel will glow
Term

(424)  At no time shall fire extinguisher residue, such as that resulting from the use of CB type or foam type fire extinguishing materials, be allowed to remain on the equipment for a period exceeding....

 

2 hours

 

4 hours

 

6 hours

 

8 hours

Definition
4 hours
Term

(425) Oxygen is described as being

 

tasteless, colorless and odorless

 

tasteless, volumeless and odorless

 

tasteless, colorless and weightless

 

volumeless, weigthless and colorless

Definition
tasteless, colorless and odorless
Term

(425) At altitudes between 10,000 and 15,000 feet, the greatest danger from hypoxia is

 

a headache

 

a convulsion

 

excessive failure

 

an error in judgement

Definition
an error in judgement
Term

(425) The disadvantage of a continous-flow oxygen regulator is it

 

wastes oxygen

 

is unusable below 10,000 feet

 

is usable only above 20,000 feet

 

delivers oxygen at varying pressures

Definition
wastes oxygen
Term

(425) You are operationally checking a pressure-demand oxygen regulator.  When you blow into the mask with the diluter toggle set at 100% OXYGEN, you should get

 

no resistance

 

continuous flow

 

oxygen pressure

 

positive resistance

Definition
posistive resistance
Term

(425) an H-2 emergency assembly (bailout bottle) supplies oxygen to the user for a maximum of about

 

5 mintues

 

10 minutes

 

15 minutes

 

20 minutes

Definition
10 minutes
Term

(425) In a molecular sieve oxygen generating system (MSOGS), water droplets from the air are removed by a(n)

 

water separator

 

molecular sieve bed

 

MSOGS shutoff valve

 

MSOGS concentrator inlet filter

Definition
MSOGS concentrator inlet filter
Term

What does the molecular sieve oxygen generating system (MSOGS) concentrator supply to the OXYGEN regulator control panel:

 

Nitrogen

 

16 man-minutes of oxygen

 

93 percent oxygen-enriched gas

 

100 percent oxygen-enriched gas

Definition
93 percent oxygen-enriched gas
Term

(426) Liquid Oxygen (LOX) converts to gaseous oxygen (GOX) at an expansion ratio of

 

600 to 1

 

680 to 1

 

800 to 1

 

860 to 1

Definition
860 to 1
Term

(426) The safety feature that protects liquid oxygen (LOX) containers from excessive pressure caused by leaks in the inner container is the

 

poppet valve

 

blowout disc

 

low-pressure relief valve

 

high-pressure relief valve

Definition
blowout disc
Term

(427) A liquid collant system (LCS) keeps electronic components cool by

 

cycling coolant through the electronic component

 

directing coolant across the electronic component

 

cycling conditioned air through the electronic component

 

directing conditioned air across the electronic component

Definition
cycling coolant through the electronic component
Term

(427) The characteristic of the fluid used in a liquid coolant system (LCS) that makes it suitable is a coolant for electroinc components is its

 

viscosity

 

resistance

 

metallic content

 

nonconductance

Definition
non conductance
Term

(427) Air trapped in a liquid coolant system (LCS)

 

causes a low-pressure condition

 

activates the filter delta pressure switch

 

forces the thermal modulating valve closed

 

reduces the cooling cpability of the coolant

Definition
reduces the cooling capability of the coolant
Supporting users have an ad free experience!