Explosive Breaching

The basic definition of explosive breaching combine with our mission objective is best described as

What are three reasons why it is important to construct charges using the minimum amount of explosive necessary

Name three types of combustion

Low explosives generally require ________in order to achieve detonation

High explosives generally require___________ in order to achieve that’s a nation

The factors which induce explosion in energetic materials are

What are three types of explosions

Which of the three types of explosion is used in explosive breaching?

Explosives are categorized as low or high depending upon their_______

A relative effectiveness factor

B detonation velocity

C chemical makeup

D all

Hi explosives fall into three categories defined by how they react to heat shock and friction two of these three categories are

Name the three main effects of the explosive detonation

The three types of work performed by high explosives are

Define the characteristics of suitable mediums for the purpose of tamping and explosive breaching charge

The term mock stem bridge effect is associated with the principles of

True or false, you can tell the grain weight of detonating cord by the color and diameter of the sheath

Detonating cord is commonly used for reaching because of its

List the four common characteristics of sheet explosive

The two base explosives primarily used in the production of sheep explosives are

True or false, the metal liner used in the production of linear shape charge does not enhance its cutting effect but only acts as a housing for the explosive core

The two types of explosive boosters are cast boosters and slip on boosters. The type of booster most commonly associated with explosive breaching is_____

True or false, as a general rule it takes double the explosive Grain weight of explosive cutting tape to do the same work as standard metal encased flex linear shape charge

List the three types of priming systems

Name four potentially hazardous conditions that need to be considered when using an electric priming system

HMX explosive is found in what commercially manufactured material commonly used in explosive breaching

True or false, the terms detonators and blasting caps refer to the same item

True or false the use of a time fuse might be appropriate under some LE tactical explosive breaching situations

Nonel Shock tube propagates at approximately ______feet per second

True or false, NONEL Shock tube detonators are resistant to impact

Shock tube blasting caps used and operational priming systems should be

List the two methods of attaching the blasting caps to the main charge

True or false, in a tactical environment when priming into the main charge you should always work from the initiator to the charge

As a tactical explosive breacher you will have both ______and______ responsibility’s

True or false, policies and procedures are essential for standardization and accountability within your program

True or false, breachers must be capable of answering technical questions which allow team leader ship and command staff to make sound operational decisions

True or false, explosive breaching charges constructed by law-enforcement are classified as destructive devices and are therefore regulated by the ATF

The critical items which will protect your program and agency Are.

True or false, law enforcement officers handling and storing explosives in the commission of their duties are required to obtain a federal explosives license

True or false, state and local government explosive response teams are exempt from the requirement of maintaining an inventory of explosives stored in official response vehicles if parks inside a secured government building

Name the ATF document which lists all federal explosive laws and regulations pertaining to compliance and procedures of explosive storage

Lost or stolen explosives must be reported to the ATF within

True or false, Blasting caps/detonators can be stored in the same magazine or storage container as other explosive materials

True or false, the ATF regulation provides an allowance for public safety explosive teams to store explosives overnight within unattended official response vehicles

According to the ATF regulations what are the limits of explosive storage in official response vehicles which are unattended or parked at an unsecured area

Official law enforcement vehicle storing in transporting explosives for LE business fall under the jurisdiction of the_____and therefore are exempt from displaying US DOT placards

True or false, common mathematical formulas used for determining minimum safe distance and interior over pressure do account for reflective overpressure and colliding shockwaves

When determining a safe stacking distance and location for his team and explosive reachers considerations should include but not be limited to

Describe the types of calculations and the chronological order in which they must be calculated in order to obtain the one measuring unit necessary for use in the MSD and interior overpressure formulas

K-factors are numbers that have been assigned to what value

What is the source of the structural collateral damage data in which technical manual explosive ordnance disposal procedures are found

True or false, a Breacher can roughly estimate potential collateral damage to structures in various materials by using the cube root scale distance formula, MSD formula, in conjunction with K factors assigned to various psi values. However such estimates are not accurate since they cannot account for the full impulse of a detonation event and other complex related factors

Write the formula Used to determine MSD

What are the four main hazards associated with explosive breaching

Name three types of overpressure discussed in this basic intermediate breaching course

True or false, peak over pressure is defined as the redirection off pressure waves of surrounding surfaces

Structural damage and human casualties or a direct result of what three factors

A persons ability to understand the effects of blast pressure or vary depending upon the number of Factors

Fragmentation Can be created by which source

True or false, secondary fires are likely to occur while conducting an explosive breaching operations

True or false, a ballistic shield will provide breachers proper protection from blast pressure in confined spaces

Conducting explosive breaching and environments containing a high volume of combustible airborne particles is likely to result in a

Name three actions which will mitigate the risk of secondary fires as a result of explosive breaching

Proper target analysis will also assist the Breacher in determining which______ breaching tools are necessary in case of a failed breach and/or to accomplish a complete breach

What are the two main goals of target analysis

True or false, target analysis has very little to do with process of charge selection

Define failed breach

Detonating cord will fail to initiate if it’s explosive core becomes wet. To ensure detonation of wet detonation cord cut at least____ past the exposed end

Immediately _______the cut end of the detonation cord in order to see all the explosive in and keep moisture out

The most common causes of cut off in det cord are

Improper use of a blast in charge is highly likely to produce hazardous debris when blasting through which materials

Which of the listed items can, when suitable, use as a non-explosive pushing material

True or false, by tamping an explosive additional work can be obtained from it

True or false, an explosive breacher should always tap his explosive breaching charges in order to reduce the amount of explosives used

Tamping a charge with rubber, polyethylene, or other solid materials will produce _______ _______in the opposite direction of the target and may result in serious injuries to operators citizens and/or damage to property and the surrounding environment