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Aviation Ordnance ✈️💣 > Chapter 2, Rockets > Flashcards

Chapter 2, Rockets Flashcards

1
Q

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

A

Setback principle

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2
Q

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

A

Hangfire

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3
Q

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

A

Propellant grain

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4
Q

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

A

Setback

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5
Q

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

A

Aluminum

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6
Q

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?

A

70%

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7
Q

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

A

Motor, warhead, and fuze

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8
Q

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

A

2.75 inches and 5.0 inches

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9
Q

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

A

Aft end, forward end, and outer diametrical surface

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10
Q

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

A

An increased burning rate

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11
Q

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

A

Forward end of the motor

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12
Q

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

A

Center to outward and forward to aft

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13
Q

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

A

Stabilizing rod

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14
Q

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

A

Stabilizing rod

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15
Q

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

A

Two

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16
Q

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

A

An igniter

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17
Q

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

A

Fin retainer band

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18
Q

Rocket warheads are classified in which of the following ways?

A

Flare, flechette, and smoke

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19
Q

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

A

11-75A-92

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20
Q

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

A

The factory

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21
Q

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

A

Personnel

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22
Q

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

A

(1) flechette (2) 2.75 inch

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23
Q

What publication governs aircraft rockets and rocket systems?

A

NA 11-75A-92

24
Q

The mk 34 mod 0 is what type of warhead?

A

Smoke

25
Q

What are the two primary classifications of rocket fuzes?

A

Nose and base

26
Q

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

A

Mk 33 mod 1

27
Q

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?

A

An impact firing fuze

28
Q

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

A

The nose or base

29
Q

Which of the following fuzes contains a clock mechanism?

A

Mk 193 mod 0

30
Q

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

A

An acceleration-deceleration fuze

31
Q

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

A

A proximity fuze

32
Q

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

A

MK 71

33
Q

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

A

2.75 inch or 5.0inch and readable or nonreausable

34
Q

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

A

11-75A-92

35
Q

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

A

A 14in and 30in suspension

36
Q

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

A

Impregnated molded fiber

37
Q

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

A

A mode selector switch

38
Q

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

A

A breaker switch

39
Q

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

A

Before the launcher is ladies with rocket motors

40
Q

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?

A

Two

41
Q

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

A

A spring-loaded detent pawl

42
Q

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

A

A detent

43
Q

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

A

NAVAIRSYSCOM

44
Q

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

A

Spring tension

45
Q

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

A

Impregnated molded fiber

46
Q

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

A

A mode selector switch

47
Q

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

A

A breaker switch

48
Q

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

A

Before the launcher is loaded with rocket motors

49
Q

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

A

Misfire

49
Q

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

A

Smokeless powder

50
Q

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

A

5 feet

51
Q

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

A

A loaded rocket launcher should NEVER be tested

52
Q

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?

A

10 feet

53
Q

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

A

Treat the fuze as an armed and sensitive fuze

54
Q

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?

A

NAVSEA OP4 and NAVSEA OP5

55
Q

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

A

200 feet

Aviation Ordnance ✈️💣 (2 decks)

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