Chapter 2, Rockets

Question 1

Acceleration and deceleration apply to rocket fuzes that use a gear timing device in conjunction with what principle?

Answer 1

Setback principle

Question 2

A rocket misfire that fires From delayed ignition is known by which of the following terms?

Answer 2

Hangfire

Question 3

The solid fuel used in a rocket motor is known by which of the following terms?

Answer 3

Propellant grain

Question 4

What term applies to a safety feature designed into a fuse with a gear timing device?

Answer 4

Setback

Question 5

Presently, all rocket motor tubes are made from what material?

Answer 5

Aluminum

Question 6

With a venture-type nozzle design, the gas pressure inside a rocket motor provides approximately what percentage of the force required to move the container forward?

Answer 6

70%

Question 7

A round of service rocket ammunition is contained in which of the following component/components?

Answer 7

Motor, warhead, and fuze

Question 8

An internal burning, star perforation, double-base, solid propellant is contained in which of the following rocket motor?

Answer 8

2.75 inches and 5.0 inches

Question 9

To restrict or control burning, inhibitors are used on what areas of the propellant grain?

Answer 9

Aft end, forward end, and outer diametrical surface

Question 10

If inhibitors were NOT used in rocket motors that use propellant grain, what action would occur?

Answer 10

An increased burning rate

Question 11

On a 2.75 inches rockets motor, where is the igniter located?

Answer 11

Forward end of the motor

Question 12

Inhibitors cause the propellant grain to burn in which of the following directions?

Answer 12

Center to outward and forward to aft

Question 13

What a rocket component prevents an unstable burning of the propellant grain?

Answer 13

Stabilizing rod

Question 14

What rocket component ensures that the propellant grain ignites simultaneously forwards and aft?

Answer 14

Stabilizing rod

Question 15

The igniter in a 5.0 in rocket contains how many squibs?

Answer 15

Two

Question 16

An mk 66 nozzle assembly consists of all EXCEPT which of the following items?

Answer 16

An igniter

Question 17

When NOT installed in a launcher, what device holds the spring-loaded fins of an Mk-71 rocket motor in the closed position?

Answer 17

Fin retainer band

Question 18

Rocket warheads are classified in which of the following ways?

Answer 18

Flare, flechette, and smoke

Question 19

Information pertaining to specific contain in which of the following NAVAIR publications?

Answer 19

11-75A-92

Question 20

When required, base fuzes are assembled in high explosive warheads at which of the following locations?

Answer 20

The factory

Question 21

HE-FRAG warhead are used against which of the following targets?

Answer 21

Personnel

Question 22

A warhead designated WDU-4a/a is of (1) what type and (2) fits what diameter rocket?

Answer 22

(1) flechette (2) 2.75 inch

Question 23

What publication governs aircraft rockets and rocket systems?

Answer 23

NA 11-75A-92

Question 24

The mk 34 mod 0 is what type of warhead?

Answer 24

Smoke

Question 25

What are the two primary classifications of rocket fuzes?

Answer 25

Nose and base

Question 26

An mk 193 mod 0 fuze is installed in what warhead?

Answer 26

Mk 33 mod 1

Question 27

A rocket fuze that functions after the rocket strikes the target with enough resistance to cause crushing or disarrangement of actuating parts is known as what type of fuze?

Answer 27

An impact firing fuze

Question 28

An impact-firing fuze is located in what part of a warhead?

Answer 28

The nose or base

Question 29

Which of the following fuzes contains a clock mechanism?

Answer 29

Mk 193 mod 0

Question 30

What type of rocket fuze is used in the base of a WDU-4A/A flechette warhead?

Answer 30

An acceleration-deceleration fuze

Question 31

What type of rocket fuze has an electronics package in the forward end?

Answer 31

A proximity fuze

Question 32

What 5.0 inch rocket motor has one motor for all launch speed applications?

Answer 32

MK 71

Question 33

Aircraft rocket launchers are classified in which of the following ways?

Answer 33

2.75 inch or 5.0inch and readable or nonreausable

Question 34

For detailed information on the LAU-61 and LAU-68 (series) rocket launchers, you should refer to which of the following NAVAIR publications?

Answer 34

11-75A-92

Question 35

The LAU-10 series rocket launcher has which of the following type of suspension?

Answer 35

A 14in and 30in suspension

Question 36

The frangible fairings on rocket launchers are made of what material?

Answer 36

Impregnated molded fiber

Question 37

What component permits preflight selection of either ripple or single firing of rockets from an aircraft rocket launcher?

Answer 37

A mode selector switch

Question 38

What component of a rocket launcher is used to prevent lauded rockets from being fired?

Answer 38

A breaker switch

Question 39

When rocket launchers are loaded, the defend pin should be installed in the breaker switch at which of the following times?

Answer 39

Before the launcher is ladies with rocket motors

Question 40

When the mode selector switch in 19 shot pod is in the single fire position, what total number of rockets are fired by the intervalometer for each firing pulse it receives?

Answer 40

Two

Question 41

In the LAU-10 (series) rocket launcher, what component retains the rocket motor in the launching tunes during shipping, handling, and flight?

Answer 41

A spring-loaded detent pawl

Question 42

The rocket motor is retained in a launcher tube by what means?

Answer 42

A detent

Question 43

What authority may authorize the disassembly or alteration of rocket components?

Answer 43

NAVAIRSYSCOM

Question 44

When a rocket is fired from the LAU-10 (series) launcher, what force causes the detent pawl to release from the rocket detent groove?

Answer 44

Spring tension

Question 45

The frangible fairings on rocket launchers are made of what material?

Answer 45

Impregnated molded fiber

Question 46

What component permits preflight selection of either ripple or single firing of rockets from an aircrafts rocket launcher?

Answer 46

A mode selector switch

Question 47

What component of a rocket launcher is used to prevent lauded rockets from being fired?

Answer 47

A breaker switch

Question 48

When rocket launchers are loaded are slides, the detent pin should be installed in the breaker switch at which of the flossing times?

Answer 48

Before the launcher is loaded with rocket motors

Question 49

A situation in which a rocket does NOT fire when the firing circuit is energized is known by which of the following terms?

Answer 49

Misfire

Question 49

Rocket motors should be stowed in the same manner as which of the following powders or explosives?

Answer 49

Smokeless powder

Question 50

Fuses and warheads should be disposed of if they are dropped onto a hard surface more than what's described number of feet?

Answer 50

5 feet

Question 51

When, if ever, should a loaded rocket launcher be electrically tested?

Answer 51

A loaded rocket launcher should NEVER be tested

Question 52

A minimum distance, as indicated in the unit, must be maintained between a gas turbine exhaust path and the rocket assemblies upon which the exhaust impinges. In the absence of specific information on the unit, what minimum distant must be maintained?

Answer 52

10 feet

Question 53

If for any reason you think a fuze is armed, which of the following procedures should you follow?

Answer 53

Treat the fuze as an armed and sensitive fuze

Question 54

Ready-service stowage of assembled rockets is authorized for the 2.75 in and 5.0 aircraft rockets according to which of the following publications?

Answer 54

NAVSEA OP4 and NAVSEA OP5

Question 55

In an ammunition loading area, smoking should not be permitted within what prescribed number of feet?

Answer 55

200 feet