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66 Cards in this Set
- Front
- Back
Acceleration and deceleration apply to rocket fuzes that use a gear timing device in conjunction with what principle?
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Setback principle
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A rocket misfire that later fires from delayed ignition is known by which of the following terms?
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Hangfire
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A situation in which a rocket does NOT fire when the firing circuit is energized is known by which of the following terms?
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Misfire
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The solid fuel used in a rocket motor is known by which of the following terms?
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Propellant grain
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What term applies to a safety feature designed into a fuze with a gear timing device?
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Setback
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Presently, all rocket motor tubes are made from what material?
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Aluminum
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With a Venturi-type nozzle design, the gas pressure inside a rocket motor provides approximately what percentage of the force required to move the container forward?
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30%
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A complete round of service rocket ammunition is contained in which of the following component/components?
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Motor, warhead, and fuze
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An internal burning, star perforation, double-base, solid propellant is contained in which of the following rocket motors?
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2.75-inch and 5.0-inch
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To restrict or control burning, inhibitors are used on what areas of the propellant grain?
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Aft end, forward end, and outer diametrical surface
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If inhibitors were NOT used on rocket motors that use propellant grain, what action would occur?
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An increased burning rate
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On a 2.75-inch rocket motor, where is the igniter located?
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Forward end of the motor
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Inhibitors cause the propellant grain to burn in which of the following directions?
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Center to outward and forward to aft
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What rocket component prevents an unstable burning of the propellant grain?
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Stabilizing rod
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What rocket component ensures that the propellant grain ignites simultaneously forward and aft?
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Stabilizing rod
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The igniter in a 5.0-inch rocket motor contains how many squibs?
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Two
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An Mk 66 nozzle assembly consists of all EXCEPT which of the following items?
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An igniter
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When NOT installed in a launcher, what device holds the spring-loaded fins of an Mk 71 rocket motor in the closed position?
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Fin retainer band
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Rocket warheads are classified in which of the following ways?
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Flare, flechette, and smoke
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Information pertaining to specific rocket components is contained in which of the following NAVAIR publications?
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11-75A-92
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When required, base fuzes are assembled in high-explosive warheads at which of the following locations?
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The factory
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HE-FRAG warheads are used against which of the following targets?
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Personnel
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A warhead designated WDU-4A/A is of (1) what type and (2) fits what diameter rocket?
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(1) Flechette (2) 2.75-inch
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The Mk 34 Mod 0 is what type of warhead?
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Smoke
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What are the two primary classifications of rocket fuzes?
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Nose and base
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An Mk 193 Mod 0 fuze is installed in what warhead?
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Mk 33 Mod 1
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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?
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An impact-firing fuze
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An impact-firing fuze is located in what part of a warhead?
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The nose or base
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Which of the following fuzes contains a clock mechanism?
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Mk 193 Mod 0
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What type of rocket fuze is used in the base of a WDU-4A/A flechette warhead?
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An acceleration-deceleration fuze
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What type of rocket fuze has an electronics package in the forward end?
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A proximity fuze
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What 5.0-inch rocket motor has one motor for all launch speed applications?
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Mk 71
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Aircraft rocket launchers are classified in which of the following ways?
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2.75-inch or 5.0inch and reusable or nonreusable
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For detailed information on the LAU-61 and LAU-68 (series) rocket launchers, you should refer to which of the following NAVAIR publications?
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11-75A-92
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The LAU-10 series rocket launcher has which of the following type of suspension?
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A 14-inch and 30-inch suspension
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The frangible fairings on rocket launchers are made of what material?
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Impregnated molded fiber
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What component permits preflight selection of either ripple or single firing of rockets from an aircraft rocket launcher?
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A mode selector switch
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What component of a rocket launcher is used to prevent loaded rockets from being fired?
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A breaker switch
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When rocket launchers are loaded, the detent pin should be installed in the breaker switch at which of the following times?
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Before the launcher is loaded with rocket motors
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When the mode selector switch in a 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?
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One
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In the LAU-10 (series) rocket launcher, what component retains the rocket motor in the launching tubes during shipping, handling, and flight?
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A spring-loaded detent pawl
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The rocket motor is retained in a launcher tube by what means?
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A detent
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What authority may authorize the disassembly or alteration of rocket components?
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NAVAIRSYSCOM
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When a rocket is fired from the LAU-10 (series) launcher, what force causes the detent pawl to release from the rocket detent groove?
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Motor thrust
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Rocket motors should be stowed in the same manner as which of the following powders or explosives?
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Smokeless powder
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Fuzes and warheads should be disposed of if they are dropped onto a hard surface more than what prescribed number of feet?
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5 feet
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When, if ever, should a loaded rocket launcher be electrically tested?
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A loaded rocket launcher should NEVER be tested
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A minimum distance, as indicated on 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
distance must be maintained? |
10 feet
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If for any reason you think a fuze is armed, which of the following procedures should you follow?
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Treat the fuze as an armed and sensitive fuze
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Ready-service stowage of assembled rockets is authorized for the 2.75-inch and 5.0-inch aircraft rockets according to which of the following publications?
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NAVSEA OP 4 and NAVSEA OP 5
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In an ammunition loading area, smoking should NOT be permitted within what prescribed number of feet?
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200 feet
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The history of rockets covers a span of how many centuries?
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Eight
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What initiating device ignites the propellant grain of a rocket?
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Igniter
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What component of a rocket contains the propellant, igniter, and nozzle?
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Motor
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The gases produced when rocket motor propellant burns create what type of force?
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Thrust
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Rockets are propelled by what means?
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The expulsion of gases
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Which of the following rocket components is/are a part of the motor?
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Propellant only
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What type of HE-FRAG warhead is used with a 5.0-inch rocket?
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Mk 63 Mod 0
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What type of warhead combines the effectiveness of HE-FRAG and HEAT warheads?
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AT/APERS
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What type of warhead is a compromise between the armor-piercing and fragmentation designs?
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GP
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A 2.75-inch rocket assembly can be carried and launched from which of the following launcher packages?
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7- or 19-round packages
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All 2.75-inch rockets may be shipped in which of the following configurations?
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Complete rounds in 7- or 19-tube launchers or in wooden boxes, rocket motors in 7-tube launchers and fuze-warhead combinations in separate shipping containers, and separate components in authorized shipping containers
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Which NAVAIR publication provides authorized assemblies, safety precautions, and restrictions for airborne rockets?
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11-75A-92
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All 5.0-inch rockets should be received through the supply system in which of the following configurations?
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Rocket motors in a 4-round launcher, separate components in separate shipping containers, and fuzes and warheads in separate shipping containers
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A rocket motor should NOT be used if it has been dropped more than what prescribed number of feet?
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A rocket motor should NEVER be used if dropped
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When, if ever, should you attempt to remove the base fuze from a rocket warhead?
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You should never attempt to remove the base fuze
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