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ammunition technician > Summative Assessment 8 > Flashcards

Summative Assessment 8 Flashcards

1
Q

Definition of a grenade

A

Small explosive store designed for projection by hand or from a personal weapon, occasionally a special discharged or launcher may be used

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2
Q

Definition of FFR

A

A tube open at one end in which fuel is burnt, the gases from the burning fuel escape out of the opened end, the momentum of escaping gases caused an equal and opposite reaction on the closed end with the projectile flight path unable to be changed

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3
Q

Definition of SAA

A

Ammunition for weapons such as pistols, rifles and machine guns below 20mm in calibre

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4
Q

Definition of Recoilless

A

If 2 equal weights can be fired opposite directions at equal velocity the weapon will be recoilless

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5
Q

Role/definition of a mortar

A

Provide organic indirect fire support to the infantry battalion, it provides the CO neutralising, suppressive and destructive indirect fire at decisive events supporting the close-in battle to allow their forces manoeuvre to defeat the enemy

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6
Q

Definition of a Mine

A

An explosive or other material, normally encased, designed to destroy or damage vehicles, boats or aircraft or designed to wound, kill or otherwise incapacitate personnel. It may be detonated by the action of its victim, by the passage of time or by controlled means

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7
Q

Role of Armour

A

Locate, identify and destroy or capture the enemy, by day or night, in combination with other arms, using fire and manoeuvre

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8
Q

Advantages of Recoilless weapon systems

A
  • No Recoil
  • Low weight
  • Man Portable
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9
Q

Disadvantages of Recoilless weapon systems

A
  • Low Velocity
  • Flash/Dust signature
  • Large Propelling charge
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10
Q

4 main parts of SAA

A
  • Cartridge system
  • Ignition System
  • Propellant charge
  • Bullet
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11
Q

Components of a grenade

A
  • Body
  • Filling
  • Fragmentation
  • Fuze Cavity
  • Fuze
  • Safety pin
  • Fly off lever
  • Spring
  • Striker
  • Detonator
  • Delay Pellet
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12
Q

Types of payload for grenades

A
  • High Explosive Anti-Personnel
  • High Explosive Anti-Tank and Dual Purpose
  • Smoke
  • Chemical or Irritant
  • Flash or Noise composition
  • Incendiary
  • Practice
  • Illuminating
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13
Q

2 types of anti personnel grenades

A
  • Offensive

* Defensive

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14
Q

3 Categories of Grenades

A
  • Hand Thrown
  • Projected - Rifle launched/gun fired
  • Discharger - Weapon/Vehicle launched
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15
Q

2 Sections of a FFR

A
  • Motor (Combustion chamber, fins (if applicable) and nozzle included)
  • Warhead (includes Fuze)
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16
Q

Why is the Bullet secured to mouth of cart case?

A
  • To provide a seal against moisture
  • Prevent Accidental removal
  • Retention by the cart case to allow gas pressure to build up (bullet pull)
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17
Q

Methods of securing bullet to cart case

A
  • Press fit
  • Canneluring
  • Indenting
  • Stabbing
  • Crimping
  • Coning
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18
Q

Spin Combined with Fins offsets what?

A

Thrust Misalignment as well as forces produced by fin misalignment

19
Q

What is thrust misalignment?

A

Condition caused when thrust does not pass through the centre of gravity of the rocket and cause it to pitch or yaw

20
Q

What are ways of overcoming thrust misalignment?

A
  • Manufacturing to closet tolerances
  • Impart a slower rate of spin
  • Reduce rocket motor burn time
  • Additional fins
21
Q

Types of Mines

A
  • Anti-Personnel
  • Anti Tank
  • Anti Helicopter
22
Q

Anti tank designs of attack

A
  • Top
  • Side
  • Belly
  • Track
  • Full width
23
Q

Types of Breaching mines

A
  • Hand breaching
  • Mechanical Breaching
  • Explosive Breaching
  • FAE
  • Electromagnetic Breaching
24
Q

What is Setup in relation to the bullet

A

The expansion of the bullet to the rear end combined with set back

25
Q

Types of 120mm Rounds

A
  • APFSDS-T KE-W A2
  • TPCSDS-T M865
  • Canister M1028
  • HEAT-MP-T M830A1
  • TP-T M831A1
  • .50 Cal SLAP-T
26
Q

Components of 120mm Rounds

A
  • CCC
  • Case Base and Seal Assembly
  • Electric Primer M129 or M125
  • Combistible disc and propellant containment bag
  • Main charge Propellant JA-2
  • Spring Disc and Retaining Ring
27
Q

Principles of Armoured Employment

A
  • Mission Command
  • Combined Arms
  • Sustainment
  • Manoeuvre Space
28
Q

What PPE is required for handling of 120mm?

A

Cotton gloves are required to prevent the build up of static electricity and accidental initiation of the round

29
Q

Four components of a mortar

A

Barrel
Tripod, Bipod, Monopod
Baseplate
Sights

30
Q

Four characteristics of a mortar

A

Smooth Bore
No Recoil System
Restricted use at elevations above 800 mils
Muzzle loaded

31
Q

Types of mortar fire

A 
Preparation Fire
Covering Fire
Defensive fire
Counter battery fire
Harassing fire 
Smoke
Illuminating
32
Q

Types of fire control system

A

Optical Fire control System

Digital fire control system

33
Q

Rates of Fire for Artillery

A

Max 4 RPM for 2 mins
Sustained 2 RPM
After 30 mins rate of fire dropped to 1 RPM

34
Q

5 Components of a mine

A 
Warhead
Sensor and Fuze
Safety and arming unit 
Power source
Case
35
Q

4 types of cart case bases

A

Rimmed
Rimless
Semi rimless
Belted rimless

36
Q

4 types of marking on bases

A

Manufacturers symbol
Year
Calibre
Model number

37
Q

3 factors affecting accuracy of rocket

A

Launcher accuracy
Crosswind
Propellant burn rate

38
Q

Characteristics of a FFR motor

A

Only use boost motors
Motor casing strong enough to withstand pressure
Usually steel or fibreglass
De Laval nozzles

39
Q

What is a De Laval nozzle

A

Uses high pressure subsonic gases by choking them and then releases it into supersonic gases to create thrust

40
Q

3 categories of AP mines?

A

Pressure activated/Direct contact
Omnidirectional fragmentation
Directional Fragmentation

41
Q

4 methods of securing percussion primers to cart cases

A

Push Fit
Ringing
Punch Stabbing
Burring

42
Q

2 main categories of projectile

A

Solid

Filled

43
Q

4 groups of anti tank mines

A

Pattern
Scatterable
Side attack
Area defence

ammunition technician (8 decks)

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