3-39.
3-40.
3-41.
3-42.
3-43.
Aircraft cables have the center
core twisted in one direction and
the outer core in the opposite
direction for what reason?
1.
To make the cable rigid
2.
To make the cable stiffer
3.
To minimize stretch or set
4.
To allow the strands to expand
when cut
A piece of 7 x 19 cable has what
total number of wires?
133 wires
26 wires
19 wires
7 wires
Terminal fittings are generally
attached to the ends of cables by
what method?
Swaging
Welding
Splicing
Soldering
What type of fitting is used to
connect a cable to a quadrant where
space is limited?
1.
Eye end
2.
Fork end
3.
Ball end
4.
Threaded end
A turnbuckle barrel with internal
left-hand threads can be identified
by what means?
1. By the length of the barrel
2.
By the letter L stamped on it
3.
By a groove or a knurl around
it
4.
By its plain end with no
identifying marks
IN ANSWERING QUESTION 3-44, REFER TO
FIGURE 2-36 IN THE TEXTBOOK.
3-44.
What is the total thread tolerance
for a turnbuckle assembly?
1.
10 threads
2.
7 threads
3.
5 threads
4.
4 threads
3-45.
For small openings where a single
cable passes through a wall
separating unpressurized
compartments, what type of cable
guide should you use?
1.
Grommet
2.
Pressure seal
3.
Split fairlead
4.
Solid fairlead
3-46.
3-47.
3-48.
3-49.
3-50.
3-51.
The purpose of quick-disconnect
couplings is to provide a means of
quickly disconnecting a line
without having to contend with
which of the following problems?
1.
System pressure surges
2.
Loss of hydraulic fluid only
3.
Entrance of air into the system
only
4.
Loss of hydraulic fluid or
entrance of air into the system
What half of series 145 and 155
(Aeroquip) couplings has mounting
flanges used for attaching them to
a bulkhead or other structural
members of the aircraft?
1.
S1
2.
S2
3.
S3
4.
S4
The protruding nose of the series
145 and 155 (Aeroquip) coupling S4
half engages with what component to
provide a positive seal?
1.
Sleeve
2.
O-ring
3.
Poppet valve
4.
Tubular valve
Which, if any, of the following
types of quick-disconnect fittings
allows the use of a wrench to
assist in tightening the coupling?
1.
Series 3200 quick disconnects
2.
All series 145 and 155 quick
disconnects
3.
Modified series 145 and 155
quick disconnects
4.
None of the above
The hydraulic seals used between
nonmoving fittings and bosses are
known by which of the following
terms?
1. Gaskets
2.
O-rings
3.
Packings
4.
Backup rings
What O-rings are replacing the
AN6227 and AN6230 O-rings?
1. AN6290 O-rings
2.
MS28775 O-rings
3.
MS28777 O-rings
4.
MS28778 O-rings
14
