detailed study Arty

Question 1

What is the weight and type of main fill in the projo 155mm HE M795?

Answer 1

10.8kg of TNT

Sup charge TNT 0.136g

Question 2

The M739A1 fuze is authorised for use with the projo 155mm M107. Name on other

Answer 2

M582A1 MTSQ

Question 3

Candela of light and duration for M485A2

Answer 3

1,000,000 candela for 120 sec

380 to 740 nano meters visable light

Question 4

Complete the following statement relating to the operation of the projo 155mm Illum M485A2 during flight.

Answer 4

1. interval set
2. primary expelling charge
3. gas pressure
4. delay composition
5. delay holder
6. shear pins
7. ejected rearwards
8. internal gas

Question 5

what is the weight and fill in bursting charge 155mm WP M825A1

Answer 5

Comp A5 - 21.2g

Question 6

Projo 155mm SMART DM702A1.

What does the pyrotechnic delay do and why?

Answer 6

Ignites the thermal battery allowing the various sensors to begin functioning and sub munition to arm

Question 7

Projo 155mm SMART DM702A1 it will self destruct. At what height above the ground will this occur

Answer 7

20m

Question 8

The M232A1 Modular artillery charge system MACS, is a bi-directional charge. What does this mean

Answer 8

can be loaded and initiated with either end facing forward

Question 9

The M232A1 MACS propelling charge, what is the combustible cart case made of

Answer 9

Nitrocellulose

Question 10

Complete the following explanation. Function of the impact delay module when set to delay in the fuze point det M739A1 and M739A1.

Answer 10

1. spin detents
2. inertia plunger
3. creep Springs
4. detent lock
5. inertia plunger
6. two balls
7. sleeve aft
8. spring loaded

Question 11

The fuze ET M767A1 may be set by the electronic portable inductive artillery fuze (EPIAFS) or manually. Explain how the fuze is set manually

Answer 11

by rotating the ogive while depressing the selector and cocking button until the desired time appears in the liquid crystal display.

Question 12

Complete the statement. Explain the actions on firing of the fuze Multi Option M782

Answer 12

1. post lauch battery
2. time out
3. S&A
4. rotor
5. spin detents
6. second lock
7. the runaway escapement

Question 13

Four function modes incorporated into the fuze Mulit-Option M782

Answer 13

1. Prox
2. ET
3. PD.
4. PD delay

Question 14

What are the four 155mm rounds

Answer 14

M107 HE
M795 HE
M825A1 SMK WP
M485A2 ILLUM

Question 15

What are the key features of the m231

Answer 15

Bi directional
4 modules per canister
Alternate end ignites
Green

Question 16

The m232a1 key features are

Answer 16

Flash reduces are in propellant
5 modules per canister
Bi
Tan
Alternate end igniters

Question 17

What sets the fuzes?

Answer 17

Electronic portable inductive artilliary fuze setter