Practice question

Under Pennsylvania CDL manual guidance, when is an N tanker endorsement required for a Class A or B CDL vehicle?

  1. Only when the liquid cargo is hazardous
  2. When hauling liquid or liquid gas in tanks over 119 gallons each with 1,000 gallons or more aggregate rated capacity
  3. Only when the tank is permanently mounted and completely full
  4. Only when the vehicle is a tractor-trailer combination

Answer: B — When hauling liquid or liquid gas in tanks over 119 gallons each with 1,000 gallons or more aggregate rated capacity

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Practice more: Pennsylvania CDL Tanker Test Practice Questions - Pennsylvania Commercial Driver License (CDL) Tanker Vehicles Endorsement Test Exam →