Bombs, Fuzes, And Associated Components Flashcards Preview

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

Flashcards in Bombs, Fuzes, And Associated Components Deck (56):
1

What means is used to initiate an electrical fuze

Electrical impulse

2

What mechanical time fuze is used with dispenser weapons

MK 339 Mod 1

3

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

By adjusting the primary and option time-setting dials

4

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

By checking the time setting observation window of the fuze

5

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

GBU-24B/B

6

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

FMU-139

7

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

FMU-139

8

What type of bomb is used in most routine bombing operations

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

9

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

Three yellow bands on the nose

10

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

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

11

When shipping bombs, what type of pallet is used

Metal

12

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

The size of the bomb

13

Arming wire assemblies are used for what purpose

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

14

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

Dexter safety clips

15

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

Setscrews

16

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

BSU-86

17

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

MK-83/BLU-110

18

How do laser-guided bombs detect a target

Laser beam illumination

19

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

The aft end of the bomb body

20

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

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

21

What modification kit is used to convert GP bombs into mines

Bomb/mine conversion kit MK 130 Mod 1

22

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

MK83/BLU110

23

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

Initiate the linear-shaped charges in the cargo section wall

24

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

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

25

What is the primary purpose of practice bombs

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

26

What type of ammunition causes the most injuries to personnel

Practice bombs

27

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

Arming

28

bomb detonation is controlled by the action of a what

fuze

29

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

fuze

30

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

arming time

31

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

.0005 second

32

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

functioning time

33

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

.0003 seconds

34

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

proximity (VT)

35

fuzes are normally divided into what two general classes

mechanical and electrical

36

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

delay arming

37

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

100

38

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

45%

39

thermally protected bombs are identified by two bands of what color

yellow

40

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

14 or 30 inches

41

what are two basic nose plugs used in GP bombs

solid and ogive

42

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

arming wire assemblies

43

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

fin assemblies

44

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

conical

45

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

4

46

how many modes of delivery are available for the fin assembly

three

47

what is the most frequently used mode of fin assembly delivery

in flight selection (pilot option)

48

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

40

49

the MK 62 mine is a how many-lb weapon

500

50

what are weapons that dispense smaller weapons over a large area

cluster bomb units (CBUs)

51

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

cargo

52

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

1.2 seconds

53

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

subcaliber

54

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

BDU-48/B

55

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

blue

56

bombs are shipped on what type of pallets

metal