Practice question

Which scenario raises the GREATEST water-hauling risk on a steep grade?

  1. Empty tanker climbing slowly in daylight
  2. Full tanker descending with cold brakes
  3. Partial load descending a long grade in service-brake-only mode without engine braking
  4. Full tanker on flat highway

Answer: C — Partial load descending a long grade in service-brake-only mode without engine braking

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