Practice question

Why should unnecessary electrical loads be switched off to save fuel?

  1. Electrical systems do not use fuel
  2. The alternator requires engine power to generate electricity — more electrical load means more fuel consumption
  3. Electrical systems use a separate battery that does not affect fuel
  4. Only the headlights affect fuel consumption

Answer: B — The alternator requires engine power to generate electricity — more electrical load means more fuel consumption

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