Test 3 Revision Flashcards
What is a Camouflet
The resulting cavity from a deep underground detonation with no rupture of the surface
What are three types of Camoflet?
- Shallow
- Deep
- Collapsed
What is the difference between the three types of Camoflets?
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
Name 5 types of protective works
- Trenching
- Venting
- Buttressing
- Surrounds
- Walls
Name three methods most effective against earth-shock?
- Trenching
- Venting
- Buttressing
How low does a trench need to be dug below an installation for protection?
-700mm
What are the two categories of mines?
- Anti-personnel
- Anti-tank
What are the 4 types of mine actuation?
- Pressure
- Pressure Release
- Tension Release
- Tension
Define the following:
- HFDR
- BODR
- MFDR
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
What are the two types of booby traps?
- Victim Operated
- Delayed Action
What are the booby trap methods of operation?
- Pull
- Pressure
- Pressure Release
- Tension Release
- Delay
Name 3 safety precautions for clearing booby traps
- Avoid fatigue
- All obstacles and furniture should be pulled
- All safe routes clearly marked
What are the generic AP and AT landmines pressures
AP
-1-20kg
AT
-100-300kg
What are the 4 main ideas of ADF IEDD Doctrine?
- Aim of IEDD
- The Philosophy
- The Principles
- IEDD mandatory actions
In priority, what is the IEDD philosophy?
- Save Life
- Preservations of Property
- Return to normality
- Preserve and collect forensic evidence
Name 4 common VOIED initiation methods
- Pull/trip
- Pressure
- Pressure release
- Movement sensitive
What are the two types of Command Initiated IEDs?
Linked
Separate
What are the 5 components of an IED?
- Switch
- Initiator
- Main Charge
- Power source
- Container
What is the difference between primary and secondary frag?
Primary
-Material that is in intimate contact with the explosive
Secondary
-Produced by the impact of primary frag or blast
What are 4 types of incidents an EOR may be sent to recce?
- Explosion
- Camouflet
- UXO
- False reports
What are 5 types of spring orientated mines?
- Pin,plate or ball
- Diaphragm
- Shear pin
- Electric Contact
- Chemical
How deep must a bomb be IOT be considered buried?
More than two and a half times its length
What two conditions must be met before trenching can be used as a means of protection against earth-shock damage?
- Located outside of probable crater area
- Within the radius for earth shock
What are the 4 phases of booby trap clearance?
- Recon
- Entry
- Search
- Clearance
