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AO Exam > Chap. 1 Bomb, Fuzes, & Associated Components > Flashcards

Chap. 1 Bomb, Fuzes, & Associated Components Flashcards

0
Q

What are two type of fuzes?

A

Mechanical or electrical

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1
Q

What a the maximum length of time the the MK 376 tail fuzes can be used after they are removed from the container?

A

Must be disposed of according to current directives.

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2
Q

What is a fuze?

A

A device that causes the detonation of an explosive charge at the proper time after certain conditions are met.

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3
Q

The amount of time or vane revolutions needed for firing train to be aligned after the bomb is released or from time of release until the bomb is fully armed.

A

Arming time

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4
Q

When the functioning time of a fuze is longer that 0.005 second.

A

Delay

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5
Q

A means by which a fuze is physically determined to be in a safe or armed condition.

A

External Evidence of Arming (EEA)

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6
Q

The time required for a fuze to detonate after impact or a present time.

A

Functioning Time

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7
Q

When the functioning time of a fuze is 0.0003 or less.

A

Instantaneous

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8
Q

When the functioning time of a fuze is 0.0003 to 0.0005 second.

A

Non Delay

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9
Q

The action that causes a fuze to detonate before impact when any substantial object is detected at a predetermined distance from the fuze.

A

Proximity (VT)

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10
Q

The distance along the trajectory that a bomb travels from the releasing aircraft in an unarmed condition.

A

Safe Air Travel (SAT)

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11
Q

What is the time or number of arming vane revolutions needed for the firing train to align after a bomb is released?

A

Arming time (SST)

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12
Q

What means is used to initiate an electrical fuze?

A

Electrical impulse

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13
Q

What mechanical time fuze is used with dispenser weapons?

A

MK 339 Mod 1

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14
Q

The primary and option functioning delay of the MK 339 fuze is set at factory. What means can be used to change the settings?

A

By adjusting the primary and option time setting dials.

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15
Q

How can you tell if the MK 339 fuze has shifted from primary to the option delay?

A

By checking the time setting observation window of the fuze.

16
Q

An FMU-143/B tail fuze is used with which weapon?

A

GBU-24B/B

17
Q

What electronic bomb fuze is used in MK 80/ BLU 100 general purpose bombs including laser guided bombs?

A

FMU-139

18
Q

What electronic bomb fuze is used for retarded delivery of the MK 80/ BLU 100 bomb?

A

FMU-139

19
Q

What type of bomb is used in most routine bombing operations?

A

General-purpose (GP) bombs- currently the MK 80/BLU 100 series

20
Q

Identification of BLU-110/111/117 A/B bombs loaded with PBXN-109 can be made by the stencil on the bomb body (front and rear) and by what other means?

A

Three yellow bands on the nose

21
Q

A bomb body is shipped with a plastic plug installed in the nose and tail fuze wells to prevent what occurrences?

A

Damage to the internal threads and moisture from entering the fuze wells

22
Q

When shipping bombs, what type of pallet is used?

A

Metal

23
Q

When shipping, what factor determines the number of bombs that are located on each metal pallet?

A

The size of bombs

24
Q

Arming wire assemblies are used for what purpose?

A

Maintain ordnance components in a safe condition until the actual release of a weapon from an aircraft.

25
Q

Premature or accidental withdrawal of an arming wire from a component is prevented by the installation of which of the following devices.

A

Dexter Safety Clips

26
Q

A conical fin assembly is attached to the aft end of a bomb by what means?

A

Set screws

27
Q

What bomb fin is used with the MK-82/BLU-111 to provide a retarded (high drag) bomb delivery for the aircraft?

A

BSU-86

28
Q

What general-purpose bomb, if any, is used with the BSU-85/B AIR inflatable retarder?

A

MK-83/BLU-110

29
Q

How do laser-guided bombs detect a target?

A

Laser beam illumination

AO Exam (1 decks)

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