Ammo

Question 1

Name the classes of ammunition according to use?

Answer 1

Service
Practice
Dummy
Blank

Question 2

What is the classification of ammunition according to its assembly?

Answer 2

Fixed
Semi-fixed
Seperate loading = M777

Question 3

What are the components of a complete round?

Answer 3

Primer
Propelling charge
Projectile
Fuze

Question 4

Where is the igniter found on 155mm ammunition?

Answer 4

Red patch sewn on the base increment

Question 5

Give the purpose of a driving band?

Answer 5

• Provide obturation
• Provide spin
• Provide shot start pressure
• Centre the projectile in the bore
• Hold the projectile at all angles of elevation

Question 6

List the three classes of artillery fuzes?

Answer 6

Proximity
Impact
Time

Question 7

Red = ?

Answer 7

Incendiary

Question 8

Light green?

Answer 8

Smoke projectiles

Question 9

Black stenciling = ?

Answer 9

Has no specific meaning

Question 10

Yellow = ?

Answer 10

High Explosive

Question 11

Light blue = ?

Answer 11

Practice

Question 12

White stenciling = ?

Answer 12

Has no specific meaning

Question 13

Olive drab = ?

Answer 13

Camouflage

Question 14

Bronze = ?

Answer 14

Dummy

Question 15

Black body colour or bands = ?

Answer 15

Amour defeating

Question 16

White body colour or bands = ?

Answer 16

Illuminating

Question 17

Gray = ?

Answer 17

Chemical

Question 18

Black = ?

Answer 18

Armour defeating

Question 19

White = ?

Answer 19

Illumination projectiles

Question 20

Brown = ?

Answer 20

Low explosive

Question 21

What is the impact Fuze setting for the M582?

Answer 21

Triangle 98

Question 22

What are the setting options available on the C32A1 Fuze?

Answer 22

Super Quick
Proximity
Time
Delay = factory default

Question 23

What are the 7 main points of ammunition care and preservation?

Answer 23

1. Provide adequate ventilation
2. Protect from direct sunlight
3. Protect from moisture
4. Protect against extreme heat
5. Avoid rough handling
6. Keep clean and free of rust
7. Should any difficulty arise, contact ammo tech

Question 24

One of you gunners attempts to fit an M577 Fuze onto an HE projectile. Explain why this cannot be done?

Answer 24

It is an igniferous Fuze used on carrier projectiles. It doesn’t have a booster and would be a dud.

Question 25

What is the type of primer used with the M777?

Answer 25

M82

Question 26

What is the purpose of the booster on a disruptive Fuze?

Answer 26

A necessary unit with an HE projectile, it amplifies the shock wave enough to detonate the HE bursting charge.

Question 27

What are the types of granulation for the following propelling charges

Answer 27

(Green bag) M3 - single perforated (White bag) M4 - multi perforated (Mac Low) M231 - single perforated (Mac High) M232A1 - triple perforated (Red Bag) M119A2 - multi perforated

Question 28

What are the types of fuzes and what actions do they produce?

Answer 28

Igniferous - produces a spark or spit of flame to ignite the expelling charge in a carrier projectile. Disruptive - produces a detonation to detonate a bursting charge of an HE or WP projectile

Question 29

What are the reasons for painting ammunition?

Answer 29

Prevent rust Ease of identification Camouflage

Question 30

What are the current 155mm projectiles in service today?

Answer 30

1. HE M107 and M795 2. Smoke DM45 3. Illumination M485 4. RAP M549 5. Excalibur M982

Question 31

List the components of a propelling charge?

Answer 31

Primer Igniter Propellant

Question 32

With the C32 Fuze, what is the difference in functioning between a Fuze that is set to proximity MANUALLY and INDUCTIVELY?

Answer 32

MANUALLY - when the Fuze reaches 7sec of flight, the proximity sensor starts target detection. INDUCTIVELY - 2 seconds before the programmed Fuze setting is reached, the proximity sensor starts target detection.

Question 33

What is the standard weight square zone for 155mm HE?

Answer 33

4 squares

Question 34

What is the definition of an artillery Fuze?

Answer 34

It is a device used with a projectile to cause it to function at the time and circumstances required.

Question 35

Label the exterior parts of the HE projectiles?

Answer 35

1. Ogive 2. Shoulder 3. Bourelet 4. Body 5. Driving band 6. Base 7. Base plate

Question 36

Name the methods used to mark ammunition?

Answer 36

Stencilling Stamping Label and tags Colour coding

Question 37

Define an explosive?

Answer 37

A substance which when suitably ignited is capable of exerting a sudden and intense pressure on its surroundings