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bkkrafft
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What are the 4 criteria required for a chemical to be an explosive?
- initiation of reaction
- rapidity of reaction
- formation of gases
- evolution of heat
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When the fuel and oxygen sources are physically mixed and the oxygen atom combines with another atom other than itself and can be made to explode, it is known as a ____ explosive.
Low
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When the oxygen and fuel can be combined within the same molecule and can result in detonation, it is known as a _____ explosive.
high
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T/F: Rapid combustions are also known as explosions.
True!
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T/F: Low explosives detonate and high explosives deflagrate.
False! Low explosives deflagrate and high explosives detonate.
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A substance that decomposes rapidly but does not explode under normal conditions is what kind of explosive?
Low
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Black powder, flash powder, and smokeless powder are all examples of what type of explosive?
Low
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A substance that detonates at rates of 3,000+ meters per second is known as what kind of explosive?
High
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T/F: Most high explosives are compounds.
True!
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According to what criteria are high explosives divided into the primary, secondary, and tertiary groups?
sensitivity to shock, friction, and heat
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______ is a rapid burning process, a subsonic explosion.
Deflagration
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_______ is a sustained shockwave capable of producing a powerful blast effect; a supersonic explosion.
Detonation
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What does ANFO stand for? What type of explosive is it?
- Ammonium nitrate #2 fuel oil
- tertiary
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PETN is also known as what?
detonation cord
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DADP and TATP are both ______, _____-sensitive explosives.
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Which explosives has an appearance very similar to the packages of Jimmy Dean sausage meat?
TOVEX
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What does OB% express?
This is the oxygen balance and it is an expression used to indicate the degree to which an explosive can be oxidized.
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An explosive's sensitivity and strength approach their maximum as the oxygen balance approaches _____.
Zero
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