Shared Flashcard Set

Details

CETa
ETA Certification, CET study guide 6th Edition/ this set can also be used for NCATT and APCO International Radio Technician Certifications
55
Electrical Engineering
Professional
10/09/2013

Additional Electrical Engineering Flashcards

 


 

Cards

Term
When did the CET certification program begin?
Definition
1965
Term
When did ETA initiate renewal?
Definition
1996
Term
All ETA Certifications categories require the passage of Associate CET Examination?
Definition
False
Term
To qualify for MASTER CET, the examinee must attain a score of 85% on each separate exam?
Definition
False
Term
An associate CET cannot attempt one of the specialty examinations.
Definition
False
Term
Master CET status is lifetime and does not require re-certification.
Definition
True
Term
The Journeymen level:
Definition
Denotes Competency in one specialized area, requires 75% passing, and requires 2 years of work or school.
Term
Renewal requires payment of a fee and retesting or proving at least 40 hours of upgrade retraining with in a four-year period.
Definition
True
Term
A worker may become certified by ETA as a CST(Computer Service Technician), without also becoming certified as a CET.
Definition
True
Term
The atomic number of an element is the same as the element’s atomic weight?
Definition
False
Term
An increase in voltage with resistance held constant causes current to _____________.
Definition
Increase
Term
Total power in a series circuit is determined by the :
Definition
Source voltage times the current
Term
The ampere, expresses__________
Definition
A unit of charge movement per second past a given point.
Term
What will happen to the current though a resistor if the resistor value increases
Definition
Current decreases
Term
Which type of circuit has the same voltage drop across each component?
Definition
Parallel
Term
Which is the equivalent to 100 microamps
Definition
0.1 milliamps
Term
If the current drain from the battery is 4 mA, what resistance is the rheostat in the following?  20 v source 10kΩ rheostat in series and two 5kΩ resistors in parallel.
Definition
10kΩ
Term
In a circuit that has a 10v source with two 10kΩ resistors in parallel. What is the current
Definition
1 amp
Term
B+, or supply voltages in electronics products, are considered to be:
Definition
+12 to 300 vdc
Term
Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metal parts should not exceed
Definition
500 micro amps
Term
Ingested solder fumes or particles________
Definition
Are toxic
Term
Second degree skin burns should __________
Definition
Not be treated with ice and bandage pack
Term
Rules describing the fire or toxicity retardant types of cabling which may be installed in buildings is contained in ____
Definition
NEC article 770
Term
If you have never received formal training and practiced CPR on a person or dummy, in the event of finding a fellow worker not breathing , you _______
Definition
You should not attempt it, but call for help
Term
Esd and static discharge is most destructive to 
Definition
CMOS semiconductors
Term
When working at heights above 6 feet, a ______ is required by OSHA rules.
Definition
Full body harness attached to a lanyard which prevents more then a 6’ drop
Term
Residual voltage is associated with ___.
Definition
Charge retained by capacitors
Term
A resistor _______
Definition
In a circuit causes a voltage drop from one end of the resistor to the other end
Term
1kΩ is the same as _________
Definition
1 thousand ohms
Term
A resistor has color bands orange, red , brown. It is _______
Definition
320 ohms
Term
A circuit has one 500 ohm resistor in series with three 500 ohm resistors that are connected in parallel with each other. The total resistance would be____
Definition
666 ohms
Term
The voltage rating of a capacitor____________
Definition
Relates to the maximum voltage that should be applied
Term
Calculating the total capacitance of several capacitors connected in parallel_____________
Definition
Is done by adding each of the capacitance values
Term
Ferrite________
Definition
Is a common inductor core material
Term
The term Henry refers to 
Definition
The inductive property of a coil
Term
A certain transformer has 250 turns in the primary windings and 1250 turns in the secondary winding. The turn ratio is 
Definition
0.2
Term
When the turns ratio of a transformer is 10 and the primary AC voltage is 8V, the secondary voltage is
Definition
0.8V
Term
Which of these color code patterns is found on a 270Ω 5% resistor
Definition
Red, violet, brown, gold
Term
One microfarad is equivalent to ____picofarads.
Definition
1,000,000
Term
The capacitance of a capacitor with 10µC of electric charge and 100V across its plates is 
Definition
0.1µF
Term
What is the power dissipated in a resistor 6 ohms with a 12 vdc power source?
Definition

24 watts

Term
What is the current through the resistor 6 ohm  with a 12 vdc power source
Definition
2 amps
Term
Maximum power transfer occurs when the load impedance is equal to the source impedance.
Definition
True
Term
A 12 vdc power supply has a 15 ohm internal resistance. What load resistance can be connected to transfer maximum power?
Definition
15 ohms
Term
Total impedance in a series circuit is found by:
Definition
Finding the net reactance and the net resistance, square each separately, add them together and then find the square root of the sum.
Term
In a series AC circuit with a resistor, inductor and capacitor, each with the same resistance or reactance, a voltmeter measuring each individual voltage drop would find:
Definition
The voltages equal to each other
Term

Which of the following is not a characteristic of a series circuit?


a. circuit components have a division of the supply voltage.

b. all compoinents share one current.

c. energy is shared by reactive devices

d. There is a different level of current in the reactive components then in the resistive components.

Definition
There is a different level of current in the reactive components then in the resistive components.
Term
In an AC circuit, as the applied voltage frequency changes upward, the inductive reactance in the circuit will:
Definition
increase
Term
In an AC circuit, as the applied voltage frequency increases the capacitive reactance in the circuit will:
Definition
decrease
Term
A 50KHz AC voltage is applied to a 10mH inductor, its reactance at this frequency is:
Definition
3140Ω
Term
A 0.1µF capacitor in a circuit with a frequency of 100KHz applied has a reactance of: 
Definition
15.9Ω
Term
In a series circuit when the inductive reactances equal the capacitor reactances the circuit has ____________ impedance.
Definition
maximum
Term
Resonance is when ________
Definition
The total of the inductive reactances in the circuit equal the total of all capacitive reactances
Term
The Associate CET exam may be taken after the journeyman exam.
Definition
False
Term
Shaded components on electronics schematics mean:
Definition
Only exact replacement parts may be used.
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