Bomb, Fuzes And Assiociates Components

Question 1

What is Arming Time?

Answer 1

Amount of time or number of vane revolutions needed for firing train

Also known as safe separation

Question 2

What is Delay?

Answer 2

Longer than 0.0005 seconds

Question 3

What is External evidence of arming?

Answer 3

Fuse is physically determined to be in safe or armed condition

Question 4

What is functioning time?

Answer 4

Time required for a fuse to detonate after impact, or preset time

Question 5

What is instantaneous?

Answer 5

0.0003 to 0.0005 seconds

Question 6

What is proximity?

Answer 6

Causes a fuze to detonate before impact

Question 7

What is safe air travel?

Answer 7

Distance along the trajectory that a bomb travels from a he releasing aircraft in an unarmed condition

Question 8

What general classes are fixes divided into?

Answer 8

Mechanical

Electrical

Question 9

What are the subdivisions of fuses?

Answer 9

Impact
Mechanical time
Proximity
Hydrostatic pressure
Long delay

Question 10

What are the safety features?

Answer 10

Detonator safe
Shear safe
Delay arming

Question 11

What does shear safe mean?

Answer 11

Does not become armed if it’s arming mechanism is damaged

Question 12

What does delay arming mean?

Answer 12

Mechanically or electrically slows the arming of the fuze

Question 13

What pub is aircraft bombs and fuses found in?

Answer 13

11-15A-17

Question 14

What pub is airborne bombs and rockets found in?

Answer 14

11-1F-2

Question 15

What mechanical time fuze are used with dispenser weapons?

Answer 15

MK 339 MOD 1

Question 16

What is the purpose of the MK 339 MOD 1 time fuze?

Answer 16

To initiate the linear shapes charges

Question 17

What two arming wires does the MK 339 use?

Answer 17

Primary mode

Option mode

Question 18

What are the three types of electrical fuses the navy uses?

Answer 18

FMU
FZU
DSU

Question 19

What can you use the FMU 143 fuze with?

Answer 19

GBU-24 series

GBU-31 series

Question 20

How is the FMU 143 initiated?

Answer 20

FZU-32B/B

Question 21

What is the FMU 139?

Answer 21

Are an electronic impact or impact delay fuze

Question 22

What is the FMU 139 used with?

Answer 22

MK 80/ BLU 100 series including laser guided

Question 23

What are the three arming times for the FMU 139?

Answer 23

2. 6
3. 5
4. 0

Question 24

What’s the purpose of a MK 122 arming safety switch?

Answer 24

Provides an open circuit and a radiation hazard shield to prevent electromagnetic radiation from entering the fuze circuits

Question 25

What are the two types of FZU?

Answer 25

FZU 48

FZU 61/62 series

Question 26

What eliminates the need for a MK 3 arming wire?

Answer 26

FZU 61/B lanyard

Question 27

What fusing unit is used for the BRU 33/36/55 racks?

Answer 27

FZU 62/B and FZU 61/B

Question 28

What does the DSU-38 proximity sensor do?

Answer 28

Detects, acquires and tracks energy reflected from laser designated target

APS

Selectable height of burst

Question 29

What bomb Unit is the FMU-140 A/B used with?

Answer 29

CBU-99 Rockeye

CBU-78 Gator

Question 30

What fuze is only compatible with the GBU-31?

Answer 30

FMU-167/B Hard target void sensing fuze

Question 31

How are thermally protected bombs identified?

Answer 31

Two yellow bands and the words thermally protected

Question 32

Mk82/Blu111

Answer 32

500lbs

Question 33

Mk83/Blu110

Answer 33

1000lbs

Question 34

Mk84/Blu117

Answer 34

2000lbs

Question 35

How do you identify a PBXN loaded bomb?

Answer 35

Three yellow bands on the nose

Question 36

What’s special about the BLU-109?

Answer 36

HTP

Question 37

What are the two major nose plugs?

Answer 37

Solid nose plug (MXU-735) HTP

Ogive nose plug

Question 38

What are the two types of fins?

Answer 38

Conical (BSU-33)

Retarder(BSU-85)

Question 39

How many screws does the BSU-85 have?

Answer 39

8 set screws

Question 40

What are the three modes of delivery?

Answer 40

Retarded
Unretarded
Inflight selection

Question 41

Retarder mode

Answer 41

Slow down the weapon

Question 42

Unretarded mode

Answer 42

Free fall