Practice question

What is the purpose of the emergency electrical cut-off switch (battery isolator) on a fuel tanker?

  1. To turn off the cabin heater
  2. To isolate the battery and cut off all electrical circuits, reducing the risk of sparks causing a fire in an emergency
  3. To speed up the fuel unloading process
  4. To bypass the speed limiter in emergencies

Answer: B — To isolate the battery and cut off all electrical circuits, reducing the risk of sparks causing a fire in an emergency

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Practice more: Driver CPC Module 4 Practice Questions - UK Driver CPC Module 4 Vehicle Safety Demonstration Test (DVSA) Exam →