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From Section 8 of the California Commercial Driver Handbook

California CDL Tank Vehicles Practice Test

Who takes it: every CDL class (A, B and C), for the N endorsement.

Hauling liquids or gases in a tank. 20 questions, 16 right to pass (80%).

Study mode

Practice Tank Vehicles

  • 10questions a round
  • 1manual section
Exam mode

Take the Tank Vehicles test

  • 20questions
  • 16correct to pass
  • –no test taken yet
Section 8 · p. 139–141 of the California Commercial Driver Handbook (Rev. 12/2019), opens in a new tab

A Tank Vehicles question to try

How long may you drive in one work period hauling flammable liquid in a tank over 500 gallons in California?

Tap an answer to see if you’re right, and the page

Where it is in the California Commercial Driver Handbook

Your score on each part fills in as you study.

  • Manual section 8
  • Tank vehiclesNot practiced yetp. 8-1 to 8-3

The manual says to also study Sections 2, 5, 6 and 9 for this test, so when a practice test needs more questions than this section has, it adds some from those sections.

California answers about this test

CDL Tanker Test guide8 rules, with the pages in each state's manual

Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DMV

All California CDL tests