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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
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?
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?
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
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
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?
What torque should be applied to a
series of bolts on a flange or other
common area?
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.
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
What relation should the grip length
have to the materials being bolted
It should be equal to the
thickness of the bolted
If an aircraft bolt becomes
unserviceable, you must consider
which of the following bolt
dimensions for its replacement?
AN bolts come in what total number
of head styles?
Which head style is common to AN,
NAS, and MS aircraft bolts?
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
Castle nut
What type of nut is to be used with
a drilled clevis bolt under shearing
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?
A lockwasher should be used with
which of the following nuts?
A star washer may be used what total
number of times?
Tab washers may be used what total
number of times?
Improperly installed clamps can
cause line chaffing and hide the
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
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?
Engine hot sections require which of
the following types of special
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
Support equipment that is modified
under the service life extension
program (SLEP) is designated in
accordance with which of the
following publications?
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
Mobile air conditioner
MIL-STD-875A standardizes support
equipment designations for Navy and
Marine squadrons only.
Which of the following mobile
electrical power plants is designed
mainly for emergency use aboard
aircraft carriers?
The NC-2 mobile power unit is
propelled by what type of power
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.
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.
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