5-14.
Which, if any, of the following fasteners may
be replaced by self-tapping screws?
1.
Standard screws
2.
Standard nuts
3.
Standard bolts
4.
None of the above
5-15.
Which of the following screws are used to hold
gears on a shaft?
1.
Structural screws
2.
Machine screws
3.
Self-tapping screws
4.
Setscrews
5-16.
What nonself-locking nut is used with a
drilled-shank AN hex head bolt?
1.
Castellated shear nut
2.
Castle nut
3.
Plain nut
4.
Wing nut
5-17.
Plain hex nuts are NOT used to a great extent
on aircraft structures for which of the following
reasons?
1.
They require auxiliary safety locking
devices
2.
They cannot withstand very large tensional
loads
3.
They are not designed to accommodate
cotter pins or safety wire
5-18.
What type of nut is commonly used on battery
connections?
1.
Wing nut
2.
Plain nut
3.
Castle nut
4.
Castellated shear nut
5-19.
Which of the following nuts, when used to
provide a tight connection, will not loosen
under vibration?
1.
Self-locking nuts
2.
Castellated shear nuts
3.
Wingnuts
4.
Plain checknuts
5-20.
What are the two general types of self-locking
nuts?
1.
Boots and Flexloc
2.
Elastic stop and nonelastic stop
3.
All-metal and nonmetallic insert
4.
Flexloc and nonmetallic insert
5-21.
Which of the following is a nonmetallic type of
self-locking nut?
1.
Elastic stop
2.
Camloc
3.
Flexloc
4.
Boots
5-22.
Access panels are usually secured to the
aircraft by what type of screws or fasteners?
1.
Machine screws
2.
Structural screws
3.
Self-tapping fasteners
4.
Turnlock fasteners
5-23.
Which of the following common fasteners is
referred to as a Turnlock fastener?
1.
Dzus
2.
Camloc
3.
Airloc
4.
Each of the above
5-24.
Which of the following parts of a Camloc
fastener are secured to the access door?
1.
Stud and grommet only
2.
Stud and receptacle only
3.
Grommet and receptacle only
4.
Stud, grommet, and receptacle
5-25.
What is the difference between Camloc
high-stress panel fasteners and screws?
1.
The deep No. 2 Phillips recess in the stud
head
2.
The bushing in which the stud is installed
3.
Both 1 and 2 above
4.
The deep Reed and Prince recess in the
stud head
5-26.
To remove an Airloc stud from a panel, you
should take what action?
1.
Remove the cross pin
2.
Remove the grommet
3.
Remove the snap ring
4.
Saw it into two pieces
5-27.
Which of the following is a component of a
heavy duty Dzus fastener but not of a light duty
one?
1.
Stud
2.
Spring
3.
Grommet
4.
Receptacle
5-22
