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MAINT. FUNDAMENTALS
AE 3&2
23
Aviation
Professional
10/31/2013

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Cards

Term
1. To test insulation for high resistance, grounds, and leakage,
what meter should you use?
Definition
Megger
Term
2. A megger is prevented from exceeding its rated output voltage by the action of a
Definition
friction clutch
Term
3. What term is used to define abnormal
resistance or impedance that
interferes with the normal signal
flow?
Definition
Discontinuity
Term
4. What instrument should you use to
troubleshoot fuel quantity coaxial
cables?
Definition
Time-domain reflectometer
Term
5. Maximum deflection of the phase angle voltmeter occurs when what
phase relationships exists between
the two signals?
Definition
0° or 180°
Term
6. What type of voltmeter is a precision voltmeter that compares an unknown
voltage with an internal reference
voltage?
Definition
Differential voltmeter
Term
7. To be classified as a cable, a single conductor must have which of the
following characteristics?
Definition
insulated w/metallic Braided shield
Term
8. When stamping wires or cables, the
distance between markings should not
exceed what maximum distance?
Definition
15 inches
Term
9. When used on aircraft electrical wiring, the recommended power rating
range for general-use soldering irons
is within which of the following
ranges?
Definition
60 to 200 watts
Term
10. Shielded conduit should be supported by the use of what type of clamp?
Definition
Bonded
Term
11. What type of safety wire should you
use to secure an oxygen regulator?
Definition
Seal wire
Term
12. When long runs of cable between panels need to be supported, which of
the following types of clamps is
preferred?
Definition
AN 742
Term
13. If an aircraft were improperly bonded, which of the following
conditions would exist?
Definition
increased risk of lightening strikes
Term
14. A primary objective of bonding is to provide an electrical path of...
Definition
low dc resistance and low RF impedance
Term
When using methyl chloroform to clean electrical equipment, you should
remove the equipment from the
solution within what maximum length
of time?
Definition
5 minutes
Term
16. When a printed circuit is manufactured by the photoetching
process, what portions of the
plastic or phenolic sheet are
actually photographically exposed?
Definition
areas covered by light sensitive enamel
Term
17. When performing a functional ground test of the EGT system, heat for the thermocouples is provided by…
Definition
heater probes
Term
18. The generation of static electricity on an object by rubbing is known as…
Definition
triboelectric effect
Term
19. Under which of the following conditions is generated static
electricity decreased?
Definition
Humid air
Term
20. What is the lowest voltage that will destroy or damage an ESD-sensitive
device?
Definition
20 volts
Term
21. Which of the following is NOT an ESD prime generator?
Definition
Carbon impregnated polyethylene
Term
22. What is the minimum resistance for
personnel ground straps?
Definition
250k ohms
Term
23. Which of the following procedures
should NOT be performed when working
on ESD-sensitive devices?
Definition
dielectric strength tests
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