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22/08/2022
American Public University HLSS 230 Midterm Exam
Midterm Exam
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Comment: Outstanding!
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
D.Saltpeter
Answer Key:
Question 3 of 25
4.0/ 4.0 Points
An explosive is a substance capable of producing an explosion by its own ______.
A.Matter
B.Structure
C.Density
D.Energy
Answer Key:
Question 4 of 25
4.0/ 4.0 Points
Who introduced blackpowder to Europe?
A.Nobel
B.Munroe
C.Schwartz
D.Bacon
Answer Key:
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.
A.Burn
B.Deflagrate
C.Fizzle
D.Detonate
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.
A.Dynamite
B.TNT
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
Answer Key:
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
B.Sensitizing
C.Drying
D.Wetting
Answer Key:
Question 10 of 25
4.0/ 4.0 Points
TNT is also known as _______?
A.Triluene
B.Trinitrotoluene
C.Tetracycaline
D.Tritium nitrate
Answer Key:
Question 11 of 25
4.0/ 4.0 Points
__________ was the 1st smokeless powder.
A.Ballistite
B.Poudre B
C.Gunpowder
D.Blackpowder
Answer Key:
Question 12 of 25
4.0/ 4.0 Points
Which country developed the 1st explosive testing procedures to determine adequate safety handling precautions?
A.England
B.Sweden
C.Germany
D.China
Answer Key:
Question 13 of 25
4.0/ 4.0 Points
___________ is a chemical reaction which takes place between a substance and oxygen.
A.Combustion
B.Equilibrium
C.Kinetics
D.Dissolution
Answer Key:
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
B.Sb8h1
C.Saltpeter
D.Sulphur
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
C.Blackpowder
D.Potassium nitrate
Answer Key:
Question 21 of 25
4.0/ 4.0 Points
This chemical code provides the makeup for TNT.
A.C7H5N3O6
B.C5H8N4O12
C.CH4N4O2
D.C3H6N6O6
Answer Key:
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?
A.Physical
B.Chemical
C.Atomic
D.Kinetic
Answer Key:
Question 25 of 25
4.0/ 4.0 Points
Chemical explosions can be divided into how many groups?
A.2
B.1
C.3
D.4
Answer Key:
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