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4-68.
4-69.
4-70.
4-71.
What part of the gun position
equipment supports all of the
elevating parts of the gun?
1.
The base ring
2.
The slide
3.
The trunnion bearings
4.
The stand
What gun equipment includes all the
components necessary to allow the
gun to fire safely?
1. Positioning
2. Firing
3. Slide
4. Gun carriage and trunnion
bearing
What firing devices interrupt
firing when the gun is pointed at
the ship's permanent structure?
1.
Firing circuits
2.
Firing cutouts
3.
Firing cutoffs
4.
Firing shutoffs
What device attaches
the slide to prevent
if
1.
2.
3.
4.
the housing to
it from moving
system pressure is lost?
Safety link
Recoil system
Breechblock
Housing link
4-72.
4-73.
4-74.
4-75.
The 5"/54 Mk 42 gun mount is
capable of firing approximately how
many rounds per minute?
1. 23
2. 30
3. 34
4. 50
The only manned positions on the
5"/54 Mk 45 gun during normal
operation are the mount captain and
the loader room.
1.
True
2.
False
What standard gunnery command means
ammunition handlers in magazine
crews fill hoist?
1.
LOAD
2.
SILENCE
3.
COMMENCE FIRING
4.
RESUME FIRING
What standard gunnery command means
to freeze in position while senior
personnel remedy an unsafe
condition?
1.
CEASE FIRE
2.
SILENCE
3.
CHECK FIRE
4.
CARRY ON
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