From Section 8 of the Delaware Commercial Driver’s Manual

Delaware 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. 107–108 of the Delaware Commercial Driver’s Manual (Release Date: February 2025), opens in a new tab

A Tank Vehicles question to try

Through a curve in a tank vehicle, what should you do with your speed?

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

Where it is in the Delaware Commercial Driver’s Manual

Your score on each part fills in as you study.

  • Manual section 8
  • Tank vehiclesNot practiced yetp. 8-1 to 8-2

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.

Delaware 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 Delaware CDL tests