Shared Flashcard Set

Details

ET1 EOCT
et1
32
Other
Professional
03/22/2011

Additional Other Flashcards

 


 

Cards

Term

·         Type 2 field change-

Definition
documentation only
Term

·         Section 3 sovt-

Definition
 cold checks
Term

·         What changes effects operational characteristics-

Definition
changes to function
Term

·         Steady hiss on a radio

Definition
natural interference
Term

·         Size _____ awg for lightning protection

Definition
0000
Term

·         Milstrip orders advice code-

Definition
5
Term

·         Dod owned cog code-

Definition
7
Term

·         Arcing caused by-

Definition
dirt, wear, misalignment
Term

·         Cable separation-

Definition
A-P, A-S= 18” P-S=2”
Term

·         When a circuit is self excited and oscillates another frequency other than the desired one this is called what?

Definition
Parasitic Oscillation
Term

·         Hull Generated Interference is caused by:

Definition
increased number and power level of transmitter, increase in sensitivity and number of receivers, increase in number of antennas and amount of space for antennas
Term

·         If there is a corroded joint or oxidized fastening in the path of current this is called?

Definition
Rusty Bolt Affect
Term

·         Arcing will NOT occur in a rotary joint due to?

Definition
Wetness
Term

·         Metal objects should be bonded to Lightning down conductors if they are within how many feet?

Definition
6 feet
Term

·         What factors affect EMI?

Definition
Type of Circuit, frequencies involved, power level and amount of capacitive and inductive
Term

·         Who initiates TCTO process-

Definition
anyone can raise issue
Term

·         Dc resistance across a bond-

Definition
0.1
Term

·         Section 7 sovt process-

Definition
operational test
Term

·         How many days before elc charges unit for MTR items-

Definition
75 day
Term

·         Dlr  items what priority for certified mail-

Definition
13
Term

·         What device passes some current of the frequency but attenuates others

Definition
-filter
Term

·         Comm.. equip doesn’t have what kind of emi-

Definition
Arching in PA stage
Term

·         Emi undesired energy through conductors-

Definition
conduction
Term

·         What is present to some degree on output of all transmitters-

Definition
harmonic radation
Term

·         Some sidebands are within a receiver bandpass-

Definition
adjacent channel interference
Term

·         What is not a cause of corrosion-

Definition
(these are causes of corrosion; galvanic, fatigue, stress, welding, crevice)
Term

·         What kind of corrosion is impossible to predict-

Definition
stress corrosion
Term

·         Moving dots on crt-

Definition
running rabbits
Term

·         Mil-std-188-124B GFCI’s installed on-

Definition
120v single phase
Term

·         RF impedance across a bond-

Definition
25ohms@30Mhz
Term

·         size wire for mast to ground plane-

Definition
0000awg
Term

·         Where to place air terminals on a flat roof  

Definition
corners and edges
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