American public university hlss 230 midterm exam


American Public University HLSS 230 Midterm Exam

Midterm Exam

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Part 1 of 1 –

100.0/ 100.0 Points

Question 1 of 25

4.0/ 4.0 Points

Blackpowder is an example of a ____?

A.High explosive

B.Low explosive

C.Flammable liquid

D.Caustic explosive

Answer Key:

Question 2 of 25

4.0/ 4.0 Points

Which explosive is considered to be the first composite explosive developed?

A.Gunpowder and/or Blackpowder

B.Poudre B

C.Greek Fire


Answer Key:

Question 3 of 25

4.0/ 4.0 Points

An explosive is a substance capable of producing an explosion by its own ______.





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Question 4 of 25

4.0/ 4.0 Points

Who introduced blackpowder to Europe?





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Question 5 of 25

4.0/ 4.0 Points

Blackpowder contains a __________ and a ___________ chemical mixture.

A.Fuel & oxidizer

B.Oxidizer & primer

C.Oxidizer & granulate

D.Fuel & nitrate compound

Answer Key:

Question 6 of 25

4.0/ 4.0 Points

High explosives ____________ under the influence of shock.





Answer Key:

Question 7 of 25

4.0/ 4.0 Points

According to Tenny Davis, this type of ordnance/munition contains 3 classes of explosives.



C.Blasting Cap

D.Complete round of ammunition

Answer Key:

Question 8 of 25

4.0/ 4.0 Points

This inventor discovered liquid nitroglycerine.

A.Ascanio Sobrero

B.Alfred Noble

C.Charles Munroe

D.Albert Schwartz

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Question 9 of 25

4.0/ 4.0 Points

This process greatly improved upon the quality and production efforts of Blackpowder.

A.Milling and/or corning




Answer Key:

Question 10 of 25

4.0/ 4.0 Points

TNT is also known as _______?




D.Tritium nitrate

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Question 11 of 25

4.0/ 4.0 Points

__________ was the 1st smokeless powder.


B.Poudre B



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Question 12 of 25

4.0/ 4.0 Points

Which country developed the 1st explosive testing procedures to determine adequate safety handling precautions?





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Question 13 of 25

4.0/ 4.0 Points

___________ is a chemical reaction which takes place between a substance and oxygen.





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Question 14 of 25

4.0/ 4.0 Points

The combustion process of propellant and explosive substances can be defined as a _____________.

A.Self-sustaining reaction

B.Exothermic reaction

C.Rapid-oxidizing reaction

D.All of the above

Answer Key:

Question 15 of 25

4.0/ 4.0 Points

The propagation of any explosion reaction through a deflagration explosive is based on _____________.

A.Thermal reactions

B.Chemical kinetics

C.Thermo mechanics

D.Kinetic combustion

Answer Key:

Question 16 of 25

4.0/ 4.0 Points

Explosives can be classified by the ease with which they can be _______ and _________.

A.Composed and detonated

B.Composed and deflagrated

C.Detonated and dissolved

D.Ignited and subsequently exploded

Answer Key:

Question 17 of 25

4.0/ 4.0 Points

Incendiary compositions containing saltpeter, sulphur, and combustible materials over a century ago were used primarily for ______ and ______.

A.War and amusement

B.Amusement and theology

C.War and advanced space exploration

D.DNA testing and amusement

Answer Key:

Question 18 of 25

4.0/ 4.0 Points

Antimony is also known as ________.

A.Sb2S3 which is referred to as Antimony sulphide




Answer Key:

Question 19 of 25

4.0/ 4.0 Points

Permitted explosives are also known as ____________.

A.Primary explosives

B.Secondary explosives

C.Commercial explosives

D.Special explosives

Answer Key:

Question 20 of 25

4.0/ 4.0 Points

This chemical explosive was the 1st compound to be globally accepted as a basic compound for military use.

A.Picric acid

B.Blasting gelatin


D.Potassium nitrate

Answer Key:

Question 21 of 25

4.0/ 4.0 Points

This chemical code provides the makeup for TNT.





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Question 22 of 25

4.0/ 4.0 Points

Explosions by type can be divided into which 3 groups?

A.Atomic, chemical, & kinetic

B.Kinetic, overpressure, & blastwave

C.Chemical, atomic, & mechamical

D.Atomic, chemical, & physical

Answer Key:

Question 23 of 25

4.0/ 4.0 Points

Atomic energy is approximately how many times greater than chemical energy?

A.A million to a billion

B.A hundred and to million

C.A hundred to a thousand

D.A thousand to a million

Answer Key:

Question 24 of 25

4.0/ 4.0 Points

An erupting volcano is an example of what type of explosion?





Answer Key:

Question 25 of 25

4.0/ 4.0 Points

Chemical explosions can be divided into how many groups?





Answer Key:

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