Formative 10

Question 1

3 main Assemblies of M60/M81

Answer 1

• Firing Assembly
• Fuse Holder Assembly
• Primer Base Assembly

Question 2

What is the difference between M60/M81

Answer 2

M81 has a Nonel adapter located where the shipping plug is with a small shipping plug

Question 3

What are the firing operations for the F1A1 booby Trap

Answer 3

• Pull
• Pressure
• Pressure Release
• Tension Release

Question 4

What are the components of the F1A1 booby Trap

Answer 4

• Firing Device
• Tension Release Attachment
• Reel Trip Wire
• Fastening Nails & Screws
• Setting Instructions

Question 5

What is used in conjunction with the F1A1 Booby Trap Switch

Answer 5

• Coupling Base Firing F4

- Coupling Base Firing F5 Inert

Question 6

What is the VOD for Detonating Cord

Answer 6

7100 - 7500 Mps

Question 7

What is the role of Detonating Cord

Answer 7

Is to transmit the detonating wave from one point to another

Question 8

What is the fill composition for Charge Demolition Block 600g

Answer 8

• 59.5% RDX
• 39.5% TNT
• 1% Wax

Question 9

For the Chg Dem Shaped 11 KG NR 50 What is the Penetration for Single And for Tandem

Answer 9

Single - > 1.8m

Tandem - 2.4 - 2.7m

Question 10

What is the fill composition for Chg Dem Shaped 11 KG NR 50

Answer 10

• 11kg RDX/TNT
• 12mm Topping of TNT
• Exploder 2 CE Pellets

Question 11

What is the ITBFE used for

Answer 11

Used for electrically initiating safety fuse or fuse instantaneous

Question 12

What is the capability of the M60/M81

Answer 12

Pull type assembly used to initiate FBT and is suitable for use underwater

Question 13

What is the Detonator Delay Connector (DRC) 17ms

Answer 13

It is a bi-directional non-electrical delay designed to introduce a delay of 17ms +/- 3ms into detonating cord during EO demolitions

Question 14

What are the requirements of Mines

Answer 14

• Lethality
• Reliability
• Low Cost
• Storage
• Logistic Considerations
• Sensitivity
• Safety
• Ease of Laying
• Resistances to Countermeasures
• Camouflage & Concealment

Question 15

What parts are anti-tank- mines designed to attack

Answer 15

• Side Armour
• Tracks
• Belly Armour

Question 16

APERS mines can be best described as two types

Answer 16

• Individual Attackers (ground emplaced or scatterable)

- Mass Attackers (random all round effect or directional effect)

Question 17

What are the accessories that come with the Mine A-PERS M18A1

Answer 17

• Firing device M57
• Test set M40
• Caps Blasting Elec M4
• Bandolier M7

Question 18

How many steel spheres are contained within the M18A1

Answer 18

700

Question 19

What is the explosive composition contained within the M18A1

Answer 19

0.681kg C4

Question 20

What is the back blast radius of the M18A1

Answer 20

16 – 100m (secondary missile hazard area)

Question 21

What is the Anti-landmine treaty called

Answer 21

The Ottawa Treaty

Question 22

What does article 3 of the Ottawa Treaty allow countries to do

Answer 22

Article 3 of the treaty permits countries to retain landmines for use in training in mine detection, mine clearance or mine destruction techniques

Question 23

What is the penetration abilities of Charge Demolition Shaped 150mm No 2 MK1

Answer 23

Mild steel – 230mm
Armour – 150mm
Concrete – 1 shot – 750 mm
Concrete – 2 shot – 1200 mm
Concrete – 3 shot – 1500 mm

Question 24

What are the additional Characteristics of a mine

Answer 24

• Delayed Arming
• Self Sterilization
• Self Destruction
• Remote Control
• Remote Delivery

Question 25

What is the L1A1 Necklace designed to do

Answer 25

Designed to cut metal bridge girders and reinforced concrete

Question 26

What does the L1A1 Necklace consist of

Answer 26

5 Charge Dem Necklace No14 11lb

Question 27

Dem Chg MK2 consists of what filling

Answer 27

17g PE4

Question 28

What is the Dem Chg MK2 standoff

Answer 28

203mm

Question 29

Dem Chg MK3 consists of what filling

Answer 29

590g PE4

Question 30

What is the Dem Chg MK3 standoff

Answer 30

152mm

Question 31

What is the Bangalore Torpedo L26A1 used for

Answer 31

- Breaching Wire Obstacles - Clearing path through mine fields - Clearing path through sandbars

Question 32

What are detonating relays used for

Answer 32

Used for firing delays in a line of detonating cord

Question 33

Describe the functioning of an ITBFE

Answer 33

When an electrical current is applied the fine bridge wire is heated sufficiently to ignite the match composition, which then initiates the burning fuse

Question 34

What does a standard chg consist of

Answer 34

3 x carts of PE4 with a total explosive weight of 690gms

Question 35

What is the definition of a mine

Answer 35

A receptacle filled with explosives, placed in or on the ground for destroying enemy personnel or material

Question 36

What is the function of the M60/M81

Answer 36

When the pull ring is pulled, the pull rod and firing pin are carried back against increasing pressure of the spring. The split cylinder slips over the release washer, which forces it open which disengages the striker assembly from the pull rod This allows the compressed spring to release and drive the striker assembly onto the primer This action initiates the primer and the spit of flame ignites the FBT

Question 37

Name the three groups that demolition stores are divided into

Answer 37

- Prepared Demolition Stores - Demolition Explosives - Demolition Accessories

Question 38

Can Fuse Instantaneous be used as safety fuse

Answer 38

No! It is not a safety fuse, it burns very quickly and does not provide a time delay