Test 3 Revision

Question 1

What is a Camouflet

Answer 1

The resulting cavity from a deep underground detonation with no rupture of the surface

Question 2

What are three types of Camoflet?

Answer 2

• Shallow
• Deep
• Collapsed

Question 3

What is the difference between the three types of Camoflets?

Answer 3

Shallow
-Lift earth into a mound and cracks on the surface

Deep
-May not be cracks on the surface, possibly a carbon blackened entry hole

Collapsed
-Surface of ground remains on top of crater and no debris or blast damage around

Question 4

Name 5 types of protective works

Answer 4

• Trenching
• Venting
• Buttressing
• Surrounds
• Walls

Question 5

Name three methods most effective against earth-shock?

Answer 5

• Trenching
• Venting
• Buttressing

Question 6

How low does a trench need to be dug below an installation for protection?

Answer 6

-700mm

Question 7

What are the two categories of mines?

Answer 7

• Anti-personnel

- Anti-tank

Question 8

What are the 4 types of mine actuation?

Answer 8

• Pressure
• Pressure Release
• Tension Release
• Tension

Question 9

Define the following:

• HFDR
• BODR
• MFDR

Answer 9

HFDR
-Minimum withdrawal distance for protection from hazardous primary and secondary fragments from the PES

BODR
-Overpressure above the ambient pressure in a blast wave given at a distance from the PES

MFDR
-Range to which hazardous primary and secondary fragments from the PES are not expected to travel beyond, but still pose a threat

Question 10

What are the two types of booby traps?

Answer 10

• Victim Operated

- Delayed Action

Question 11

What are the booby trap methods of operation?

Answer 11

• Pull
• Pressure
• Pressure Release
• Tension Release
• Delay

Question 12

Name 3 safety precautions for clearing booby traps

Answer 12

• Avoid fatigue
• All obstacles and furniture should be pulled
• All safe routes clearly marked

Question 13

What are the generic AP and AT landmines pressures

Answer 13

AP
-1-20kg

AT
-100-300kg

Question 14

What are the 4 main ideas of ADF IEDD Doctrine?

Answer 14

• Aim of IEDD
• The Philosophy
• The Principles
• IEDD mandatory actions

Question 15

In priority, what is the IEDD philosophy?

Answer 15

• Save Life
• Preservations of Property
• Return to normality
• Preserve and collect forensic evidence

Question 16

Name 4 common VOIED initiation methods

Answer 16

• Pull/trip
• Pressure
• Pressure release
• Movement sensitive

Question 17

What are the two types of Command Initiated IEDs?

Answer 17

Linked

Separate

Question 18

What are the 5 components of an IED?

Answer 18

• Switch
• Initiator
• Main Charge
• Power source
• Container

Question 19

What is the difference between primary and secondary frag?

Answer 19

Primary
-Material that is in intimate contact with the explosive

Secondary
-Produced by the impact of primary frag or blast

Question 20

What are 4 types of incidents an EOR may be sent to recce?

Answer 20

• Explosion
• Camouflet
• UXO
• False reports

Question 21

What are 5 types of spring orientated mines?

Answer 21

• Pin,plate or ball
• Diaphragm
• Shear pin
• Electric Contact
• Chemical

Question 22

How deep must a bomb be IOT be considered buried?

Answer 22

More than two and a half times its length

Question 23

What two conditions must be met before trenching can be used as a means of protection against earth-shock damage?

Answer 23

• Located outside of probable crater area

- Within the radius for earth shock

Question 24

What are the 4 phases of booby trap clearance?

Answer 24

• Recon
• Entry
• Search
• Clearance

Question 25

Four main parts of a booby trap

Answer 25

• Switch mechanism
• Explosive charge
• Connecting mechanism to charge
• Concealment and operation

Question 26

What 4 options are available during a clearance phase of booby trap clearance?

Answer 26

• Pull with hook and line
• BIP
• Disrupt
• Neutralise