Practice question

A 'detonation' differs from a 'deflagration' in that a detonation:

  1. Is a slow burn with a flame front below the speed of sound
  2. Propagates a reaction front faster than the speed of sound, producing a powerful shock wave
  3. Produces no pressure effects
  4. Cannot occur with explosives

Answer: B — Propagates a reaction front faster than the speed of sound, producing a powerful shock wave

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