Aviation Electrician's Mate 3 & 2 Chapter 2

Front 1

Name the manual that you should refer to
for an illustration of the danger areas for
your aircraft.

Back 1

maintenance instructions manual (MIM)

Front 2

What exterior light is required to be on
during engine operation?

Back 2

Anticollision Light

Front 3

Before touching a capacitor, you should be
sure it is discharged by ___

Back 3

short-circuiting the
terminals to discharge the capacitor completely.

Front 4

What is the preferred fire extinguishing
agent for electrical fires?

Back 4

Carbon dioxide (CO2) It does not
conduct electricity, rapidly evaporates, and leaves
little or no residue.

Front 5

What are the two basic rules you should
follow when working with hand tools?

Back 5

1. Use the proper tool for its intended
function, and use it correctly.
2. Keep all tools in working order and in a
safe condition.

Front 6

List the three steps that will make your
troubleshooting easier.

Back 6

1. Analyze the symptom.
2. Detect and isolate the trouble.
3. Correct the trouble and test the work.

Front 7

What is the best test equipment to use when
looking for shorts, grounds, opens, and
wrong resistances?

Back 7

ohmmeter

Front 8

You should never use ___
as a troubleshooting method because it
is expensive and does not always fix the
fault.

Back 8

parts replacement

Front 9

List the tools that help you analyze a
system.

Back 9

MIMs
Schematics
Records on the Equipment

Front 10

What is the first action to take when
beginning to troubleshoot apiece of equipment?

Back 10

visually inspect the component

Front 11

What types of common faults interrupt
power through a circuit?

Back 11

short, ground, or overload

Front 12

List a reference to which you can refer for
approved maintenance procedures.

Back 12

NAVAIR 01-1A-505

Front 13

You should refer to the ___
for procedures to follow when removing
and replacing equipment?

Back 13

MIMs

Front 14

What is the purpose of testing a piece of
equipment after it has been repaired?

Back 14

Operational check

Front 15

Describe how you would connect a
voltmeter to the circuit under test?

Back 15

in parallel—never in series.

Front 16

When using a meter, you should start at
what range?

Back 16

highest range first,
then switch to lower ranges as needed.

Front 17

A circuit in which current no longer flows
is known as an ___

Back 17

open circuit

Front 18

What test do you perform to find an open
circuit?

Back 18

continuity test, using an ohmmeter

Front 19

Blown fuses and open circuit breakers are
usually an indication of what type of fault?

Back 19

Short
(occurs when two conductors
accidentally touch each other directly or through
another conducting element)

Front 20

List the two disadvantages of the volt-ohm-milliammeter.

Back 20

1. The VOM can load the circuit under test.
2. The meter movement is easy to damage
because of improper testing procedures.

Front 21

What type meter should you use to test for
insulation breakdown?

Back 21

megger (megohmmeter)

Front 22

What test equipment shows you the wave
shape of current or voltages?

Back 22

oscilloscope

Front 23

What is a discontinuity?

Back 23

any abnormal resistance or impedance that interferes with normal signal flow.

Front 24

What meter compares an unknown voltage
with a known internal reference voltage and
shows the difference in their values?

Back 24

differential voltmeter

Front 25

What type of wire should you use to carry
600 to 1,000 volts with a temperature rating
between 302°F to 500°F?

Back 25

MIL-W-22759
(a fluoropolymer-insulated single conductor electric wire,
tin- silver- or nickel coated wires of copper or copper alloy)

Front 26

What type of metal used in wire forms a
resistant oxide film on all its surfaces?

Back 26

Aluminum

Front 27

When stamping wire identification
numbers, at what interval should you stamp
the wire?

Back 27

not more than 15 inches along their entire lengths
Also, stamp wires within 3 inches of each junction
(except permanent splices) and at each ending point

Front 28

In wire identification numbers, the suffix
N means the wire completes the circuit to ___

Back 28

ground

Front 29

What is the most important item to consider
when soldering?

Back 29

selecting the correct iron for the job

Front 30

What publication contains information on
mounting hardware for aircraft parts?

Back 30

MIM

Front 31

When substituting hardware, what should
you consider before making the substitution?

Back 31

corrosion, strength, size, length, magnetic properties, style, special features, lubrication orcoating

Front 32

What is the ONLY reason for clamping a
wire bundle to a plumbing line?

Back 32

to ensure separation of the wire bundle from the plumbing
line.

Front 33

List the three types of safety wire.

Back 33

Lockwire
Shear wire
Seal wire

Front 34

What is the purpose of bonding?

Back 34

equalizing static charges

Front 35

List the manuals to which you should refer
for the correct cleaning agents and procedures.

Back 35

NAVAIR 01-1A-509

Front 36

For a technician to repair a printed circuit
board, what certification must he/she meet?

Back 36

AIMDs being certified to perform microminiature circuit repair.

Front 37

What are the two types of test equipment?

Back 37

common or peculiar

Front 38

What test equipment is used to test generators, voltage regulators, and reversecurrent relays in as many operating conditions as possible?

Back 38

MA-2 aircraft electrical power test set

Front 39

The Huntron Tracker 1000 and 2000 are for use on
circuit boards and systems with all voltage sources
in what condition?

Back 39

power-off condition

Front 40

What mode on the Automatic Transistor Analyzer
Model 900 has the Sonalert™?

Back 40

SND mode

Front 41

What type signal display does the Huntron
Tracker 1000 and 2000 show when the signal fuse
is open and the test leads shorted together?

Back 41

erroneous reading

Front 42

When using the Huntron Tracker 2000, why must
you make good contact with the test leads?

Back 42

The 2000 test leads are conductive only at the tips

Front 43

What is the minimum total shunt impedance
across the junction of the diode or transistor under
test using the Automatic Transistor Analyzer
Model 900 to ensure a good test reading?

Back 43

25 ohms

Front 44

Which piece of test equipment would you
use to test an engine ignition unit output
in sparks per second?

Back 44

jet ignition system tester

Front 45

Before using the TTU-27/E test set, what
connection must you make to ensure proper
operation?

Back 45

ground connection of the power lead

Front 46

What is the minimum voltage for using the
TAKCAL unit of the JETCAL Analyzer?

Back 46

95 volts

Front 47

What test set is used to test pitot-static
systems?

Back 47

pressure-temperature test set, TTU-205C/E

Front 48

Name the two measurements you can take
with the TF-20 test set.

Back 48

tank unit probe capacitance
and measuring tank unit insulation resistance

Front 49

The AN/PSM-17A test set is used to test
what system?

Back 49

angle-of-attack indicating system

Front 50

What is the second level of VAST fault detection?

Back 50

self-check

Front 51

For what is the manual mode of operating the VAST used?

Back 51

debugging new programs

Front 52

ESD-sensitive devices can be damaged by electrostatic voltages as low as ___

Back 52

20 volts

Front 53

When handling ESD devices, personnel and their apparel should be connected to ___

Back 53

ground

Front 54

What is the minumum resistance for personnel ground straps?

Back 54

250,000 ohms