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march 2016 exam > Bombs, Fuzes, And Associated Components > Flashcards

Bombs, Fuzes, And Associated Components Flashcards

1
Q

What means is used to initiate an electrical fuze

A

Electrical impulse

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2
Q

What mechanical time fuze is used with dispenser weapons

A

MK 339 Mod 1

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3
Q

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

A

By adjusting the primary and option time-setting dials

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4
Q

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

A

By checking the time setting observation window of the fuze

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5
Q

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

A

GBU-24B/B

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6
Q

What electronic bomb fuze is used in MK 80/BLU 100(series) general purpose —–including laser - guided bombs

A

FMU-139

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7
Q

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

A

FMU-139

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8
Q

What type of bomb is used in most routine bombing operations

A

General-purpose(GP) bombs —– currently the MK 80/BLUE 100(series)

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9
Q

Identification of BLU-110/111/116A/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

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10
Q

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

A

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

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11
Q

When shipping bombs, what type of pallet is used

A

Metal

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12
Q

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

A

The size of the bomb

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13
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

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14
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

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15
Q

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

A

Setscrews

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16
Q

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

A

BSU-86

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17
Q

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

A

MK-83/BLU-110

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18
Q

How do laser-guided bombs detect a target

A

Laser beam illumination

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19
Q

What location is the wing assembly mounted on the guided bomb units

A

The aft end of the bomb body

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20
Q

The computer-control group (CCG) of a laser guidance kit is used for what purpose

A

To detect laser-illuminated targets and to provide an attachment point for the guidance fins

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21
Q

What modification kit is used to convert GP bombs into mines

A

Bomb/mine conversion kit MK 130 Mod 1

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22
Q

What bomb body , if any, is used to make the MK 63 mine

A

MK83/BLU110

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23
Q

What is the purpose of the MK 339 Mod 1 technical time fuze

A

Initiate the linear-shaped charges in the cargo section wall

24
Q

What are the components of the MK 118 Mod 0 and Mod 1 antitank bombs

A

All answers are correct
A. MK 1 Mod 0 fuzing system
B. Shaped-charged warhead
C. Fixed stabilizing fins

25
Q

What is the primary purpose of practice bombs

A

Provide safety when training new or inexperienced pilots and ground handling crews

26
Q

What type of ammunition causes the most injuries to personnel

A

Practice bombs

27
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

28
Q

bomb detonation is controlled by the action of a what

A

fuze

29
Q

what is any device that causes the detonation of an explosive charge at the proper time after certain conditions are met

A

fuze

30
Q

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

A

arming time

31
Q

a delay occurs when the functioning time of a fuze is longer than what time frame

A

.0005 second

32
Q

the time required for a fuze to detonate after impact , or a preset time is known as what

A

functioning time

33
Q

a fuze is said to be instantaneous when the functioning time is what time frame or less

A

.0003 seconds

34
Q

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

A

proximity (VT)

35
Q

fuzes are normally divided into what two general classes

A

mechanical and electrical

36
Q

the most important fuze safety features are detonator-safe , shear-safe , and what else

A

delay arming

37
Q

the functional delays for both the primary and option modes of the MK 339 Mod 1 fuze can be adjusted from 1.2 to how many seconds

A

100

38
Q

the cases of general purpose (GP) bombs are aerodynamically designed , relatively light , and approximately what percent of their weight is made of explosives

A

45%

39
Q

thermally protected bombs are identified by two bands of what color

A

yellow

40
Q

suspension lugs are used to attach the weapon to the aircraft bomb racks and are spaced how many inches apart , depending on size of the bomb

A

14 or 30 inches

41
Q

what are two basic nose plugs used in GP bombs

A

solid and ogive

42
Q

maintaining ordnance components in a safe condition until actual release of the bomb from the aircraft is the primary function of what

A

arming wire assemblies

43
Q

what provides stability to a GP bomb causing the bomb to fall in a smooth , definite curve to the target

A

fin assemblies

44
Q

what type of fin is used for the nonretard mode of delivery

A

conical

45
Q

the typical BSU-33/conical fin assembly is steel , conical in shape , and has how many fins to provide stability

A

4

46
Q

how many modes of delivery are available for the fin assembly

A

three

47
Q

what is the most frequently used mode of fin assembly delivery

A

in flight selection (pilot option)

48
Q

the BLU-108A/B must not be missing more than 20 square inches of thermal coating in a single area or more than how many square inches total

A

40

49
Q

the MK 62 mine is a how many-lb weapon

A

500

50
Q

what are weapons that dispense smaller weapons over a large area

A

cluster bomb units (CBUs)

51
Q

what section of the MK 7 bomb dispenser is a main structure of the weapon and contains the bomb/bomblets

A

cargo

52
Q

when the MK 339 Mod 1 primary fuze arming wire is pulled , the fuze will function how many seconds after the arming wire has been extracted

A

1.2 seconds

53
Q

what term means that a practice bomb is much smaller in size and weight than the service bomb it simulates

A

subcaliber

54
Q

there are two types of subcaliber practice bombs-the MK 76 Mod 5 and what else

A

BDU-48/B

55
Q

MK 80 (series) inert GP bombs are painted what color

A

blue

56
Q

bombs are shipped on what type of pallets

A

metal

march 2016 exam (30 decks)

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