3-14.
3-15.
3-16.
3-17.
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
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
What switch or valve controls the
flow of steam from the ship’s
boilers to the catapult’s dry-steam
receivers or wet-steam accumulator?
1.
The steam launching valves
2.
The capacity selector valve
3.
The steam fill valves
4.
The steam pressure cutoff
switch
How far must the rotary launch
valve control assembly crosshead
travel to stop the number 2 launch
valve stroke timer clock?
1.
3 1/2 in.
2.
6 in.
3.
9 in.
4.
11 1/2 in.
3-18.
What device controls the opening
rate of the launch valves to allow
the launching of various types and
weights of aircraft?
1.
The launch valve control valve
2.
The capacity selector valve
3.
The launch valve stroke timers
4.
The steam pressure cutoff
switch
3-19.
What mechanism prevents a steam
buildup behind the launching engine
steam pistons until the catapult is
fired?
1.
The exhaust valve
2.
The pressure-breaking orifice
elbow
3.
The exhaust valve keeper valve
4.
The wet-steam accumulator
3-20.
What force causes the launch pilot
latch solenoid to shift when the
catapult FIRE circuit is energized?
1.
Air pressure
2.
Hydraulic pressure
3.
Mechanical force
4.
Electrical energy
3-21.
The exhaust valve hydraulic lock
valve controls the flow of fluid to
which of the following components?
1.
The steam pressure cutoff
switch
2.
The pressure breaking elbow
3.
The exhaust valve limit switch
4.
The exhaust valve hydraulic
actuator
3-22.
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
3-23.
What is the function of both the
linear and rotary retraction
engines?
1.
To control the movement of the
grab only
2.
To retract the launching engine
steam pistons only
3.
To maneuver the shuttle forward
and aft only
4.
To maneuver the shuttle forward
and aft when slow movement is
required by controlling the
movement of the grab
3-24.
The retraction engine drive system
cables are attached to what
component(s)?
1.
The shuttle only
2.
The grab only
3.
The shuttle and launching
engine steam pistons
4.
The grab and launching engine
steam pistons
3-25.
During normal launching operations,
when will the grab release the
shuttle?
1.
When endspeed has been reached
and the unlocking mechanism is
disengaged
2.
When launch complete is reached
and the locking mechanism is
actuated
3.
When both have returned to
battery position and the
unlocking mechanism is actuated
4.
When maximum load drag weight
is reached and the unlocking
mechanism automatically
disengages
13
