EOD MOD B Test 1 Questions and
answers 2024/25
ii ii ii ii ii ii ii ii ii ii
How far away do you store blasting caps from other explosives? ii ii ii
Minimum of 25 ft. ii ii ii ii ii ii ii ii ii
What are some of the main hazards to explosive operations?
ii
- Lightning
ii
- Static
ii ii ii
- Electromagnetic Radiation (EMR) ii
Lightning safeties ii ii
Cease all ops ii ii
Static electricity safeties
ii ii
- Clothing choice
ii ii ii ii ii ii ii
- Always discharge static electricity by grounding yourself ii ii ii
Electromagnetic radiation (EMR) safeties
ii ii ii ii ii
- No new signal, including radio
ii ii
- Shunt everything ii
Bare Charge ii ii ii ii ii ii ii ii ii ii ii
Explosive charge WITHOUT a fragmenting container or one that is unassociated with
ii ii ii ii ii ii ii
fragmenting material such as steel or rocks ii
Blasting Cap ii ii ii ii ii ii ii ii ii ii ii
Cylindrical detonator, containing one or more sensitive initiating explosives, used to initiate
ii ii ii ii ii
the detonation of demolition charges ii
Continuity Test ii ii ii ii ii ii ii ii
Electrical test for determining completeness of an electrical circuit ii
Disposal Area ii ii ii ii ii ii ii ii ii ii ii ii
An assigned area in which explosive ordnance is taken for final disposal operations
ii
Disposal Procedure ii ii ii ii ii ii ii
What you do to make UXO go away ii ii ii ii ii ii
What do you yell before initiating demo?
ii ii ii ii ii
3 x Fire in the Hole ii
Firing Device
ii ii ii ii ii ii ii ii ii ii ii ii ii ii
- Device that initiates the demolition charges directly through its effect on either a blasting
ii ii ii ii
cap or detonating cord
ii ii ii ii ii ii
- May be electrical, mechanical, or electro-mechanical
ii ii ii ii ii ii ii
What are the three types of firing devices?
ii
- Electrical
ii
- Mechanical
ii
- Electro-Mechanical ii ii
Electrical firing device ii ii
Electric blasting machine ii ii
Mechanical firing device ii ii ii
Spring driven firing pin
Electro-mechanical
, ii ii ii ii ii
- Physically do something, fires electricity
ii ii
> Claymore clacker
Fuse ii ii
- Time fuse
ii ii ii ii ii ii ii ii ii ii ii ii ii ii
- Slow-burning, powder filled cord that carries flame through its length at a known and
ii ii ii ii ii ii
uniform rate, like a candle wick ii
Ammonium Nitrate
ii ii ii ii ii ii
- Least sensitive of the military explosives
ii ii ii ii ii ii
- Requires a booster charge to initiate
ii ii ii ii ii ii ii ii ii ii ii ii
- Because of its low sensitivity, is a component of many composite explosives
RDX ii ii ii ii ii ii ii
- Highly Sensitive and very powerful military explosive
ii ii ii ii ii ii ii ii ii ii ii ii
- Base Charge in M6 Electric Blasting Cap and M7 Non-Electric Blasting caps
ii ii ii ii ii ii ii ii
What is the least sensitive of all military explosives? ii
Ammonium Nitrate ii ii ii ii ii ii ii ii ii ii
What military explosive is classified as 'highly sensitive and very powerful?
ii
- RDXii
- PETN
PETN ii ii ii ii ii ii ii
- Highly Sensitive and very powerful military explosive
ii ii ii ii ii ii ii ii ii
- Used in boosters, DET CORD, and some blasting caps
TNT ii ii ii ii ii
- Most widely used explosive charge
ii ii ii ii ii ii
> 1/4 lb cylindrical charge for TRAINING
ii ii ii ii ii ii ii ii ii ii ii
- The standard of measure in determining the equivalent explosive weight (EEW)
ii ii ii ii ii ii
What are the three sizes of TNT?
ii ii ii ii
- 1/4 lb (cylindrical case)
ii ii ii
- 1/2 lb (rectangular)
ii ii ii
- 1 lb (rectangular) ii ii
Composition 4 (C4)
ii ii ii ii ii ii
- 91% RDX and 9% non-explosive plasticizers
ii ii ii ii ii ii ii
- Main explosive used for demolition charges (M112)
ii ii ii ii ii ii
- Effective from -70 to 170 degrees
ii ii ii ii ii ii
> Loses its plasticity in colder temperatures
ii ii
M112 Demolition Charge
ii ii ii ii ii ii ii ii ii ii ii ii
- 1.25lbs of C-4, packed in an olive drab mylar film, RECTANGULAR package
ii ii ii ii ii ii ii ii ii ii ii ii
- Primarily for breaching and cutting due to its high brisance and malleability
ii ii ii ii ii ii ii
- THE PRIMARY DEMOLITION charge presently in use
ii ii
M1 Military Dynamite
answers 2024/25
ii ii ii ii ii ii ii ii ii ii
How far away do you store blasting caps from other explosives? ii ii ii
Minimum of 25 ft. ii ii ii ii ii ii ii ii ii
What are some of the main hazards to explosive operations?
ii
- Lightning
ii
- Static
ii ii ii
- Electromagnetic Radiation (EMR) ii
Lightning safeties ii ii
Cease all ops ii ii
Static electricity safeties
ii ii
- Clothing choice
ii ii ii ii ii ii ii
- Always discharge static electricity by grounding yourself ii ii ii
Electromagnetic radiation (EMR) safeties
ii ii ii ii ii
- No new signal, including radio
ii ii
- Shunt everything ii
Bare Charge ii ii ii ii ii ii ii ii ii ii ii
Explosive charge WITHOUT a fragmenting container or one that is unassociated with
ii ii ii ii ii ii ii
fragmenting material such as steel or rocks ii
Blasting Cap ii ii ii ii ii ii ii ii ii ii ii
Cylindrical detonator, containing one or more sensitive initiating explosives, used to initiate
ii ii ii ii ii
the detonation of demolition charges ii
Continuity Test ii ii ii ii ii ii ii ii
Electrical test for determining completeness of an electrical circuit ii
Disposal Area ii ii ii ii ii ii ii ii ii ii ii ii
An assigned area in which explosive ordnance is taken for final disposal operations
ii
Disposal Procedure ii ii ii ii ii ii ii
What you do to make UXO go away ii ii ii ii ii ii
What do you yell before initiating demo?
ii ii ii ii ii
3 x Fire in the Hole ii
Firing Device
ii ii ii ii ii ii ii ii ii ii ii ii ii ii
- Device that initiates the demolition charges directly through its effect on either a blasting
ii ii ii ii
cap or detonating cord
ii ii ii ii ii ii
- May be electrical, mechanical, or electro-mechanical
ii ii ii ii ii ii ii
What are the three types of firing devices?
ii
- Electrical
ii
- Mechanical
ii
- Electro-Mechanical ii ii
Electrical firing device ii ii
Electric blasting machine ii ii
Mechanical firing device ii ii ii
Spring driven firing pin
Electro-mechanical
, ii ii ii ii ii
- Physically do something, fires electricity
ii ii
> Claymore clacker
Fuse ii ii
- Time fuse
ii ii ii ii ii ii ii ii ii ii ii ii ii ii
- Slow-burning, powder filled cord that carries flame through its length at a known and
ii ii ii ii ii ii
uniform rate, like a candle wick ii
Ammonium Nitrate
ii ii ii ii ii ii
- Least sensitive of the military explosives
ii ii ii ii ii ii
- Requires a booster charge to initiate
ii ii ii ii ii ii ii ii ii ii ii ii
- Because of its low sensitivity, is a component of many composite explosives
RDX ii ii ii ii ii ii ii
- Highly Sensitive and very powerful military explosive
ii ii ii ii ii ii ii ii ii ii ii ii
- Base Charge in M6 Electric Blasting Cap and M7 Non-Electric Blasting caps
ii ii ii ii ii ii ii ii
What is the least sensitive of all military explosives? ii
Ammonium Nitrate ii ii ii ii ii ii ii ii ii ii
What military explosive is classified as 'highly sensitive and very powerful?
ii
- RDXii
- PETN
PETN ii ii ii ii ii ii ii
- Highly Sensitive and very powerful military explosive
ii ii ii ii ii ii ii ii ii
- Used in boosters, DET CORD, and some blasting caps
TNT ii ii ii ii ii
- Most widely used explosive charge
ii ii ii ii ii ii
> 1/4 lb cylindrical charge for TRAINING
ii ii ii ii ii ii ii ii ii ii ii
- The standard of measure in determining the equivalent explosive weight (EEW)
ii ii ii ii ii ii
What are the three sizes of TNT?
ii ii ii ii
- 1/4 lb (cylindrical case)
ii ii ii
- 1/2 lb (rectangular)
ii ii ii
- 1 lb (rectangular) ii ii
Composition 4 (C4)
ii ii ii ii ii ii
- 91% RDX and 9% non-explosive plasticizers
ii ii ii ii ii ii ii
- Main explosive used for demolition charges (M112)
ii ii ii ii ii ii
- Effective from -70 to 170 degrees
ii ii ii ii ii ii
> Loses its plasticity in colder temperatures
ii ii
M112 Demolition Charge
ii ii ii ii ii ii ii ii ii ii ii ii
- 1.25lbs of C-4, packed in an olive drab mylar film, RECTANGULAR package
ii ii ii ii ii ii ii ii ii ii ii ii
- Primarily for breaching and cutting due to its high brisance and malleability
ii ii ii ii ii ii ii
- THE PRIMARY DEMOLITION charge presently in use
ii ii
M1 Military Dynamite
