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Post-Blast Investigation > Introduction to Explosives and Explosive Effects > Flashcards

Introduction to Explosives and Explosive Effects Flashcards

1
Q

Explosives - Any substance which when subjected to [1], [2], [3] or [4] can undergo a very rapid self propagating decomposition or combustion transformed into a more stable material

A
  1. heat
  2. shock
  3. impact
  4. friction
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2
Q

Types of Explosion

4

A
  • Mechanical
  • Nuclear
  • Electrical
  • Chemical
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3
Q

When pressure inside a container overcomes strength of the container causing it to rupture

A

Mechanical Explosion

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4
Q

BLEVE, a type of Mechanical Explosion that involbes vessels containing liquids under pressure at temperature above their boiling point liquid need not be flammable can occur in vessels as small as a disposable lighter and as large as a railroad tanker

A

Boiling Liquid Expanding Vapor

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5
Q

Explosion produced by either nuclear fusion (joining of atoms) or nuclear fission (splitting of atoms)

A

Nuclear/Atomic Explosion

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6
Q

High-energy electrical arc between electrical phases or between potential and ground, releasing large volumes of energy

A

Electrical Explosion

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7
Q

Th very rapod or instantaneous conversion of a solid or liquid compound into larger quantities of explanding gases accompanied by heat, shock wave and noise

A

Chemical Explosion (Detonation)

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8
Q

Explosive mixtures, mechanically blended; Explosive compounds, [BLANK]

A

Chemical reation boding fuel and oxidizer into one molecule

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9
Q

Define Low Explosive

Types of Chemical Explosives

A
  • Normally chemical mixtures
  • Burn or deflagrate
  • Require confinement to explode
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10
Q

Kinds of Low Explosives

A
  • Black Powder/Smokeless Powder
  • Military & Commericial Time/Safety Fuse
  • Propellant (Gun Powder)
  • Pyrotechnics
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11
Q

Define High Explosives

Types of Chemical Explosives

A
  • Most are molecules
  • Require no confinement
  • Initiated by a shockwave
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12
Q

Kinds of High Explosives

A
  • Blasting Caps or Detonators
  • Detonating Cord (Detcord)
  • Flex-X
  • C 4
  • Dynamite
  • Ammonium Nitrate
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13
Q

Blast Pressure

Chemical Explosion Effects

A
  • Primary
  • Secondary
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14
Q

Chemical Explosion Effects

A
  • Blast Pressure
  • Thermal/Incendiary
  • Shock Wave & Noise
  • Fragmentation
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15
Q

Shielding protects you from

Protection From Explosion Effects

A
  • Fragmentation
  • Incendiary
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16
Q

Distance protects you from:

Protection from Explosion Effects

A
  • Fragmentation
  • Incendiary
  • Overpressure/Shock

Post-Blast Investigation (5 decks)

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