3-12.
What component serves as a bearing surface
for the piston assembly?
1.
The rubbing strip
2.
The barrel
3.
The piston guide
4.
The strip guide
3-13.
A total of how many rollers are mounted on the
shuttle frame?
1.
Six
2.
Two
3.
Eight
4.
Four
3-14.
What component of the water brake cylinder
installation forms the vortex at the open end of
the water brake cylinder?
1.
The jet ring
2.
The striker ring
3.
The annulus ring
4.
The choke ring
3-15.
The term "elbow pressure" refers to what
specific pressure?
1.
The basket strainer inlet pressure
2.
The basket strainer outlet pressure
3.
The water pressure entering the water
brake cylinder
4.
The pump discharge pressure
3-16.
The contacts of the steam cutoff pressure
switches close when the steam pressure in the
launching
engine
cylinders
reaches
what
pressure?
1.
10 psi
2.
20 psi
3.
30 psi
4.
40 psi
3-17.
All catapult trough covers are designed to
withstand what total amount of vertical rolling
shuttle load?
1.
100,000 lb
2.
132,000 lb
3.
200,000 lb
4.
264,000 lb
3-18.
Which of the following information is NOT
displayed on the Digital Endspeed Indicator
(DESI)?
1.
Time of day
2.
CSV setting
3.
Shuttle endspeed
4.
Catapult number
3-19.
The bridle tensioner fully aft limit switch is
part of two catapult electrical circuits. One is
the retract permissive circuit. What is the other
one?
1.
The maneuver forward
2.
The maneuver aft
3.
The military power
4.
The suspend circuit
3-20.
Which of the following conditions would
indicate a water loss in the catapult hydraulic
fluid?
1.
An increase in ph number
2.
A decrease in ph number
3.
An increase in viscosity
4.
A decrease in viscosity
3-21.
What is the function of the catapult main
hydraulic pump delivery control unit?
1.
To direct fluid to the gravity tank when the
pump is on stroke only
2.
To direct fluid to the accumulator when the
pump is off stroke only
3.
To direct fluid to the accumulator when the
pump is on stroke and to the gravity tank
when the pump is off stroke
4.
To direct fluid to the accumulator when the
pump is off stroke and to the gravity tank
when the pump is on stroke
3-22.
The motion of the rotary retraction engine
hydraulic motor is transferred to the drive
system cables by what assembly?
1.
The traverse carriage assembly
2.
The crosshead assembly
3.
The sheave and adapter assembly
4.
The drum assembly
3-23.
Which of the following components prevents
the cables from becoming crossed and tangled
on the drum?
1.
The cable tensioner assembly
2.
The screw and traverse carriage assembly
3.
The fairlead sheave assembly
4.
The cable tensioner sheave assembly
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