Fire and Explosives: Classification and Types
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Questions and Answers

What is the main characteristic of a high explosive?

  • It has a propelling effect
  • It requires confinement to explode
  • It has a velocity of explosion less than 3000 ft/s
  • It creates a shock wave with a pressure difference (correct)

What is the primary difference between high and low explosives?

  • The velocity of explosion (correct)
  • The amount of gas produced
  • The color of the smoke
  • The type of oxidizer used

What is the purpose of a primer in a bullet?

  • To increase the velocity of explosion
  • To initiate the reaction directly (correct)
  • To produce a propelling effect
  • To create a detonation wave

What is the name of the explosive developed by Alfred Nobel in 1867?

<p>Dynamite (B)</p> Signup and view all the answers

What is the velocity of explosion (VOD) of RDX?

<p>28,700 ft/s (D)</p> Signup and view all the answers

What is the purpose of additives in smokeless powder?

<p>To modify the shape and size of the powder (B)</p> Signup and view all the answers

What is the name of the analytical method that uses beta rays from radioactive nickel to ionize the explosive?

<p>Ion Mobility Spectrometry (IMS) (B)</p> Signup and view all the answers

What is the name of the explosive that is very sensitive and made from acetone and hydrogen peroxide?

<p>TATP (B)</p> Signup and view all the answers

What is the characteristic of a deflagration?

<p>It is a fast combustion reaction (D)</p> Signup and view all the answers

What is the purpose of a detonator in a high explosive?

<p>To initiate the reaction with a primary explosive (A)</p> Signup and view all the answers

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