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52 Cards in this Set
- Front
- Back
An offset screwdriver should be used
for setting or removing screws that |
are in restricted vertical
spaces |
|
Which of the following features is
common to both needle-nose and duckbill pliers? |
They are delicate
|
|
What type of pliers is used for
cutting small wire and cotter pins? |
Diagonal
|
|
Which of the following operations
should NOT be performed with diagonal pliers? |
Cutting wire and cotter pins
flush with a surface |
|
To save time in safety wiring nuts
and bolts, what type of pliers should you use? |
Safety-wire
|
|
Which of the following is NOT a
reason for a tool to be designated a special tool? |
It is an easily broken tool
|
|
What is used to measure the amount
of turning or twisting force applied to a nut, bolt, or screw? |
Torque wrench
|
|
Which of the following torque
wrenches have a dial or scale to visually read the torque applied? |
Dial-indicating and deflecting
beam |
|
What indication, if any, does the
micrometer setting type of torque wrench give when the desired amount of torque is reached? |
The socket slips for a short
distance |
|
Before returning a micrometersetting
torque wrench to storage, you should place it at what setting? |
Its lowest torque setting
|
|
If the correct torque value is not
specified, which of the following publications should you consult? |
NA 01-1A-8
|
|
By using the proper torque on a screw that is holding structures
together, it enables the structures to retain their designed strength and greatly reduces the possibility of their failure due to which of the following reasons? |
Fatigue
|
|
What torque should be applied to a
series of bolts on a flange or other common area? |
Medium
|
|
If you use an 8–inch extension
handle on a 12–inch torque wrench, what will be the indicated torque on the wrench if recommended torque for the component is 125 inch–pounds? |
75.0 inch-pounds
|
|
When the anvil face of a micrometer
becomes dirty, it must be cleaned with emery cloth. |
false
|
|
Most aircraft bolts are of what type
series thread? |
National fine (NF)
|
|
The grip of a bolt is located in
which of the following areas? |
The area from the bottom of the
bolt head to the top of the threads |
|
What relation should the grip length
have to the materials being bolted together? |
It should be equal to the
thickness of the bolted materials |
|
If an aircraft bolt becomes
unserviceable, you must consider which of the following bolt dimensions for its replacement? |
Length
|
|
AN bolts come in what total number
of head styles? |
Three
|
|
Which head style is common to AN,
NAS, and MS aircraft bolts? |
Hex–head
|
|
Which of the following factors
indicates the material of which standard bolts are made and if it is a close–tolerance bolt? |
Head markings
|
|
Which nonself–locking nut is used
with a drilled-shank AN hex-head bolt? |
Castle nut
|
|
What type of nut is to be used with
a drilled clevis bolt under shearing stress? |
2. Castellated shear
|
|
Which of the following nuts, used to
provide a tight connection, does NOT loosen under vibration? |
Self-locking nuts
|
|
What are the two general types of
self–locking nuts? |
All-metal and nonmetallic insert
|
|
If a steel bolt is used to secure
magnesium alloy members, what washer arrangement is required? |
Aluminum alloy washers should be
used under the head and nut |
|
What are the general classes of
washers used in aircraft structures? |
Plain, lock, and special
|
|
What class of washer is used under
lockwashers to prevent damage to surfaces of soft material? |
Plain
|
|
A lockwasher should be used with
which of the following nuts? |
Castellated
|
|
A star washer may be used what total
number of times? |
One
|
|
Tab washers may be used what total
number of times? |
One
|
|
Improperly installed clamps can
cause line chaffing and hide the damage. |
true
|
|
What does the term “safetying” mean?
|
Securing aircraft fasteners so
they will not work loose |
|
What safety wiring method should be
used in places that are hard to reach? |
The single-wire method
|
|
When six widely spaced bolts are
being safety wired by the doubletwist method, what procedure should you follow? |
A group of three should be the
maximum number safety wired in one series |
|
When safety wiring closely spaced
bolts, what is the longest wire you can use to safety wire the most bolts in a series? |
24 inches
|
|
What total number of twists should
be in a pigtail one–half inch long? |
Six
|
|
Engine hot sections require which of
the following types of special hardware? |
Inconel safety wire and asbestos
Adell clamps |
|
For what reason is safety an
important maintenance factor? |
To minimize injury to personnel
and/or damage to equipment and aircraft |
|
Support equipment that is modified
under the service life extension program (SLEP) is designated in accordance with which of the following publications? |
MIL-STD-875A
|
|
Which of the following pieces of
equipment is listed on the chart with the designation of A/M27A–10? |
Hydraulic pumping unit
|
|
Which of the following pieces of
equipment would have the A/M32C-17 designation? |
Mobile air conditioner
|
|
MIL-STD-875A standardizes support
equipment designations for Navy and Marine squadrons only. |
True
|
|
Which of the following mobile
electrical power plants is designed mainly for emergency use aboard aircraft carriers? |
NC–2A
|
|
The NC-2 mobile power unit is
propelled by what type of power source? |
A 28-volt dc electric motor
|
|
Which of the following
characteristics of a NC-2 power plant is considered dangerous? |
Maneuvering close to aircraft on
the flight line |
|
To move the NC–8A mobile power unit
from one aircraft to another, at least one of the external servicing cables has to be plugged into the propulsion power lock circuit. |
False
|
|
Which of the following features is
common to the NC-2A, NC-8A, and NC-10B power plants? |
Diesel engine powered
|
|
Mobile air–conditioners are being
used during maintenance on many aircraft. Since you will be working with and around this support equipment, you should be familiar with its hazards. |
True
|
|
Which of the following
characteristics of the airconditioning refrigerant R–22 is hazardous to personnel? |
It is nontoxic and odorless
|
|
In the interest of safety, when
working around a gas turbine compressor unit, which of the following conditions should personnel constantly be aware of? |
The sound intensity produced by
the units are high enough to cause permanent hearing loss |