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Eor Training > Section 2 > Flashcards

Section 2 Flashcards

1
Q

What is a fuze or pistol designed to do

A

Initiate the detonation, ejection, ignition or dispersion of an EO filling at a pre-selected time or position

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2
Q

What is the main difference between a fuze and pistol

A

A fuze contains explosive components and a pistol contains no explosive components

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3
Q

HESH Projectiles may be nose and/or tail fuzed

A

False they are only Tail fuzed

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4
Q

What are the five main categories of projectiles

A 
High Explosive
Carrier
Shot
Prac
Dummy
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5
Q

What is the main identification feature for mortars

A

The Spigot or Tail Section

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6
Q

How can stability be provided to a projectile without driving bands

A

With a tail fin assembly

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7
Q

What is fitted to larger projectiles to extend their range

A

RA(Rocket Assist)

BB(Base Bleed)

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8
Q

List the 9 generic ID Features of Frag/Blast Projectiles

A

Pointed Ogival Nose and a streamlined body
Generally of One Piece Construction
A low charge to weight ratio
Squared or tapered base
A Driving band placed near the base of the projo
A fuse which can be located in the nose or base

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9
Q

What are the main components of grenades

A

Fuse
Body
Main Filling

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10
Q

What are the 4 types of HE grenades

A

Blast
Frag
HEAT
HEDP

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11
Q

Fragmentation grenades cause injury through over pressure with minimal fragmentation effects. True or False

A

False

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12
Q

List the 6 ID Features of a HEAT Projectile

A

Ogival nose, conical sometimes prob shaped nose it is designed to provide ballistic standoff.

Either a fixed of slipping driving band or fins which may be fixed or hinged to the base.

The Projectile body has parallel side and made of two piece construction joined near the ogive.

If no driving band is present, the projectile may have two bourrelets.

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13
Q

List the 6 typical ID features of AP/SAP Projectiles

A

A pointed but truncated nose
Heave one piece body construction
Base fuse only
A tracer compartment which may be fitted onto or into the base.
May be fitted with windshield and or Armour piercing caps.

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14
Q

What are the main components of rockets

A 
Warhead
Fuze
Rocket Motor
Venturi or Nozzle
Fins
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15
Q

What is the main difference between rockets and

missile

A

Missles have a guidance system

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16
Q

What is the definition of armed, in relation to fuzes

A

A fuze is armed when all the safety devices and features incorporated in the fuze have been eliminated or are not functioning so that the fuze had completed its arming sequence.

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17
Q

What is the purpose of a relay in a fuze

A

The Purpose is to pick up a weak explosive stimulus, augment it and transmit the amplified impulse to the next component.

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18
Q 
Expand the Following
HEAT
HESH
HERA
APCBC
APFSDS
A 
High Explosive Anti Tank
High Explosive Squashed Head
High Explosive Rocket Assisted
Armour Piercing Cap Ballistic Cap
Armour Piercing Fin Stabilized Discarding Sabot
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19
Q

What are some key Identification features of PTTF Fuzes

A

Multiple rings on the metallic bodies.
Multi Piece Construction, must have one brass ring.
Usually made of brass, one marked with the delay setting.
They all Incorporate a safety pin hole.
Gas vent holes for the release of excess gas, in most cases the vent holes are sealed with thin metal plugs which if functioned, will have blown out leaving scorched marks.

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20
Q

What does boresafe refer to, in relation to fuzes

A

It prevents the fuse from detonating the projectile until it leave the bore of the weapon.

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21
Q

What does cocked striker refer to, in relation to fuzes

A

A firing pin that is held in a cocked position under spring tension and fires by releasing the mechanism.

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22
Q

Define Acceleration/Setback in relation to fuze arming

A

Incorporates the rearward movement of the fuze parts caused by the forward acceleration during its launching

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23
Q

Define Deceleration/Creep, in relation to fuze arming

A

The Forward motion of fuze components relative to the fuze body, it is caused by deceleration of the ordnance.

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24
Q

Define Impact Inertia, in relation to fuze firing.

A

Forward movement of internal components after impact with the target causing an action that drives a firing pin, into a detonator upon impact or the detonator into the firing pin.

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25
Q

What are the 2 classifications of impact fuzes

A

PD(Point Detonation) Direct Action or Impact

BD(Base Detonation) Indirect Action Impact Inertia

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26
Q

What is the main difference between Active and Passive Prox Fuzes

A

Active - Functions by a signal which is transmitted to and reflected from the target.

Passive - Functions by Heat, Light, Sounds, EMR, emanating from the target.

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27
Q

A Piezoelectric crystal is a device added to a firing system that transmits the ignition flame after predetermined delay.

True or False

A

False

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28
Q

A Fuze is armed when all the safety devices and features incorporated in the fuze have been eliminated or are not functioning so that the fuze has completed its arming sequence, but has not been subjected to sufficient or proper forces required to begin the fuze firing sequence.

True or False

A

True

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29
Q

What are the Main Characteristics of MT and MTSQ fuzes

A

Multi piece construction usually 3 pieces,
May have a time calibration scale, setting lugs or slots,
SQ/Delay setting if an impact element is integral.

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30
Q 
Key ID Features for
HEAT
HESH
AP/SAP
Carrier
FRAG/BLAST
Armour Piercing Shot
A

HEAT- Ogival nose, conical sometimes probe shaped nose.

HESH- Blunt ogival nose

AP/SAP - Heavy, One piece body construction

Carrier - Parallel Sides

Frag/Blast - A pointed ogival nose and streamlined body

Armour Piercing Shot - No Fuzes present

31
Q

What is the primary function of the bomb case

A

Primary Function is to act as the airframe for the bomb

32
Q

Generally tail units fall into what two categories

A

Retarted and Non - Retarted

33
Q

The Main fill of a bomb varies depending on the purpose, list the main three types of fill:

A

HE
Chem/Bio
Incendiaries

34
Q

Miscellaneous attachments are used to enhance or control a bombs performance on impact, List and describe 4 Examples of these.

A

Kopfring - designed to prevent excess penetration on land and ricochet against sea targets

Anti Ricochet plates - Same as kopfring but different construction.

Stabo - steel pike is used to prevent bomb from skipping during dive bombing.

Dinort Rods - used for bombs with impact fuses, giving a stand off fragmentation effect.

35
Q

List the 5 categories of BOMBS

A 
HE
Chemical
Incendiary
Fuel Air Explosives (Volumetric)
Prac
36
Q

8 categories of HE bombs

A 
GP(General Purpose)
MP(Multi Capacity)
DP(Deep Penetration)
HC(High Capacity)
AP(Armour Piercing)
SAP(Semi armour piercing)
Fragmentation
Anti Submarine
37
Q

FAE bombs weight for weight can generate about____ times as much energy as conventional high explosive. The initiation of most FAE bombs occurs in ____distinct events.

A

Three

Two

38
Q

Describe the events in initiation of a FAE bomb

A

Two distinct events the first being the use of a HE burster charge to open the casing and form a cloud of fuel in the atmosphere, the second is the initiator of the resultant fuel and air mixture using one or more HE cloud Detonator.

39
Q 
Approximate weight of each 80 series BOMB
MK81\_\_\_
MK82\_\_\_
MK83\_\_\_
MK84\_\_\_
A

250 pounds
500 pounds
1000 pounds
2000 pounds

40
Q

Fusing in a 80 series bombs can be internally or externally fused, and may have a nose fuse, a tail fuse, both a nose and tail fuse, or a noise/tail fuse system.

True or False

A

True

41
Q

In a 80 series bomb electrical fusing may be identified by the presence of what

A

A electrical charging receptacle
A fuse initiator in the charging well
A lanyard attached to the lanyard Lock

42
Q

List the common tail fin assemblies used with 80 series bombs

A

Slick
Snake Eye
Ballute Parachute

43
Q

Describe a Bomb Pistol

A

A bomb pistol contains no explosive element used in conjunction with a separate detonator.

44
Q

List the three criterias used to aid the recognition of pistol/fuses

A

Position in store
Method of Arming
Functioning Action

45
Q

Arming of the bomb is normally accomplished by one of 4 methods, list the 4 methods.

A

Mechanical
Electrical
Electro - Mechanical
Combination

46
Q

List the positions that pistols/fuses are fitted into a bomb

A

Nose
Tail
Transverse
Multi Position

47
Q

With regards to the functioning action of pistols/fuses list the 8 groups of operation.

A 
Air burst
Anti disturbance/Anti Handling
Impact/short delay
Influence
Hydro static
Long delay
Protective/Anti withdrawal
Modular/Smart
48
Q

Three Basic types of impact fuses/pistols

A

Direct Action
Indirect Action
Combination/All the way

49
Q

List the 7 main groups of air burst pistols/fuses

A 
Mechanical
Mechanical Time(Clockwork)
Pyrotechnic time
Proximity
Barometric
Blast Pressure
Electrical
50
Q

3 common recognition features of an influence fuse

A

Usually larger than other types of fusing.
Normally contain aerial or sensor arrays.
May have a plastic/ceramic radome.

51
Q

3 recognition features of a hydrostatic fuse

A

Water ingress ports or non return valves
Depth setting mechanisms
They may be constructed in 2 sections

52
Q

List the 4 main types of long delay fuses

A

Chemical
Clockwork
Material Creep
Electrical

53
Q

Anti-withdrawal devies may be fitted to long delay pistols/fuses, list the five methods that may be used to achieve this

A 
Clawed Foot
Offset Groove and Ball
Knife Edge
Anti-Removal sleeve
Electrical Contact
54
Q

List and Describe the two types of dispensers

A

Released- a bomb shaped weapon that functions after is has left the aircraft.

Retained - a retained dispenser is retained in the aircraft and operated by the crew, scattering its contents over a large area.

55
Q

List the four main categories of Sub munitions

A

AP - Anti personnel
AT - Anti tank/material
Runway cratering
Area Denial

56
Q

Sub munitions can carry what types of fill

A 
Frag
Heat
Blast
Incendiary
Chemicals
57
Q

List the 4 main groups of GW and their sub categories

A

AAM- Short range, Long Range, HE, Blast, Frag
ASM - Tactical, Strategic
SAM - Operational, Tactical, Hand Held
SSM - Operational, tactical, Hand held, Strategic

58
Q

List the 4 Main components of a missile.

A

Guidance Section
Control Section
Warhead Section
Propulsion

59
Q

List the 3 possible fusing types fitted to a missile

A

Contact fusing
Proximity Fusing
Self-Destruct Fusing

60
Q

The safety and arming device (SAD) performs 3 main functions, list those three functions

A

Provides safety breaks before weapon launch
Arms the weapon after launch
Links the fuse or fuses to the warhead

61
Q

List the Main types of missile Warheads

A

Armour Defeating
Anti Aircraft
Strategic Missiles
Other warhead types

62
Q

List and briefly describe the two methods of propulsion used by missiles

A

RAMJET - most suitable for use against high speed targets and are used in a number of service SAM

TURBO JET - optimized for long range performance but will not propel a weapon at supersonic speed.

63
Q

List the 8 sub categories of alternate Mission Equipment with regards to aircraft weapon systems

A 
Bomb Racks
Missile launchers
Rocket Pods
Gun Systems
External Fuel Tanks
Aircraft counter measures
Projectile Launches
Targeting Pods
64
Q

List 6 types of hazards as an EOR/EOD you are to be aware of with regards to Aircraft weapons/Systems

A 
UXO
Aircraft Stores
Installed Explosive Ordnance
Egress Systems
Compressed Gases
Composite Materials
Radiation
65
Q

With Regards to maritime ordnance, list and describe the three methods of mine actuation

A

Contact Mine - Contact with the target to detonate the mine

Influence Mine - Certain effects produced by a nearby target can cause it to detonate.

Controlled Mine - Firing Mechanism Controlled Electrically from a remote Position.

66
Q

Mines are designated by there planted positions list and briefly describe the 3 positions

A

Moored Mines - Buoyant mines that remain the a fixed position attached to a sinker

Bottom Mines - When planted these mines sink and remain on the bottom near the port of a water entry

Drifting Mines - Designed to move with water current for a considerable distances

67
Q

List the 5 main components of a modern torpedo

A 
Guidance Section
Warhead
Energy Section
After body
Tail section
68
Q

List the 4 main components of a Land Mine

A

Firing Mech
A detonator or igniter charge
A booster Charge
The main charge in a container

69
Q

Simpler types of mine firing mechanisms can be actuated by

A

By Pressure
Pressure Release
Tension
Tension Release

70
Q

List the 6 methods of initiation employed by modern mines

A 
Seismic
Magnetic Influence
Radio influence
Audio Frequency
Electrical Command
Timer Run down
71
Q

Define a Booby Trap

A

A explosive or non explosive device or other material deliberately placed to cause casualties when an apparently harmless object is disturbed or a normally sage act is performed.

72
Q

What are the main methods of booby trap operation

A 
Pull 
Pressure
Release of Pressure
Release of tension
Delay
73
Q

Timed Booby trap devices have four main methods of operation

A

Pyrotechnic
Mechanical
Electrical
Chemical

Eor Training (1 decks)

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