Practice question

What is 'engine braking' in a heavy vehicle?

  1. Applying the parking brake while the engine is running
  2. A separate pedal that brakes only the engine
  3. The slowing effect produced when a lower gear keeps the engine resisting the vehicle's momentum
  4. Switching off the ignition while coasting downhill

Answer: C — The slowing effect produced when a lower gear keeps the engine resisting the vehicle's momentum

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