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California CDL HazMat & Cargo Practice Test

Practice 25 CDL questions on hazardous materials handling, cargo securement, and combination vehicle operation for the California CDL exam.

What this California practice test covers

  • Hazardous materials placarding, labeling, and shipping paper requirements
  • Proper loading and securement of general freight and specialized cargo
  • Combination vehicle coupling and uncoupling step-by-step procedures
  • Weight limits, bridge formulas, and axle weight distribution

The actual California DMV knowledge test has 46 questions, and you need at least 38 correct (83%) to pass. This practice test is based on the California Driver Handbook. The test fee is $38. Tests are administered Computer touchscreen kiosk at DMV office.

Try sample California questions

These questions come from our bank of 444+ CDL questions. The real California CDL knowledge test draws from similar material in the official CDL manual.

3 free preview of 25
1

What is a jackknife?

2

How often must a California CDL driver inspect cargo securement after beginning a trip?

3

When coupling a tractor to a trailer, the correct height for the trailer should be:

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California CDL HazMat & Cargo Practice Test (2026) | DMV IQ