2-14.
To restrict or control burning,
inhibitors are used on what areas
of the propellant grain?
1.
The aft end only
2.
The forward end only
3.
The outer diametrical surface
only
4.
The aft end, the forward end,
and the outer diametrical
surface
2-15.
Inhibitors cause the propellant
2-16.
2-17.
2-18.
grain to burn in which of the
following directions?
1.
Center to outward only
2.
Forward to aft only
3.
Center to outward and forward
to aft
4.
Aft to forward
What rocket component prevents an
unstable burning of the propellant
grain?
1.
The molded plastic cellulose
2.
The stabilizing rod
3.
The fin nozzle assembly
4.
The spirally wrapped ethyl
cellulose tape
What rocket component ensures that
the propellant grain ignites
simultaneously forward and aft?
1.
The stabilizing rod
2.
The igniter
3.
The inhibitor
4.
The front nozzle assembly
The igniter in a 5.0-inch rocket
motor-contains what total number of
squibs?
1.
One
2.
Two
3.
Three
4.
Four
2-19.
When stowed or shipped separately
from the launcher, what component
shorts out the Mk 4 igniter firing
circuit?
1.
The safety pin
2.
The shorting cap
3.
The fin protector
4.
The electrical shunt
2-20.
When shipped and stowed separately
from a launcher, what safety device
protects the igniter firing circuit
of the Mk 16 and Mk 71 motors?
1.
The metal shielding band
2.
The shorting cap
3.
The safety pin
4.
The molded plastic cellulose
2-21.
When the fins on a Mk 4 or Mk 40
2-22.
2-23.
2-24.
2-25.
2-26.
2-27.
motor have opened to the final
flight position, what component
holds them in this position?
1.
The crosshead
2.
The nozzle insert
3.
The fin retainer
4.
The fin actuating mechanism
The Mk 40 rocket motor nozzle
assembly inserts have which of the
following design characteristics?
1.
They are straight cut
2.
The are scarfed
3.
They are held in place by a
hard rubber retainer
4.
The are closed by a thin metal
seal and a foam plug
The fins on a Mk 16 motor are
locked in the flight position by
what components?
1.
The spring-loaded pawls
2.
The fin retainers
3.
The crossheads
4.
The sensing switches
A Mk 16 motor is designed to be
launched from which of the
following types of aircraft?
1.
High-speed, fixed-wing aircraft
2.
Low-speed, fixed-wing aircraft
3.
Rotary-wing aircraft
4.
High-speed and low-speed fixed
wing and rotary wing aircraft
When NOT installed in a launcher,
what device holds the spring-loaded
fins of a Mk 71 rocket motor in the
closed position?
1.
The fin safety pin
2.
The fin safety strap
3.
The fin retainer band
4.
The fin retainer lock
Rocket warheads are classified in
which of the following ways?
1.
Flare only
2.
Flechette only
3.
Smoke only
4.
Flare, flechette, and smoke
Information pertaining to specific
rocket components is contained in
which of the following NAVAIR
manuals?
1.
11-SE-18
2.
11-15-7
3.
11-85-5
4.
16-1-529
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