California Combination Practice Test 2
40 questions covering combination content, drawn from the FMCSA-aligned CDL question pool and the California Commercial Driver Handbook (DL 650).
What this test covers
Required for Class A, and a separate written exam at the federal 80% pass mark. Most states do not publish a question count for it. Questions cover coupling and uncoupling tractor-trailers, rollover prevention, jackknife causes and prevention, off-tracking, braking with a trailer, air brake connections (glad hands), proper use of the trailer hand valve, weight distribution, and the specific inspection procedures for fifth wheels, kingpins, and trailer connections. This is a core test for anyone seeking a Class A CDL.
Sample Combination questions
Preview of what is on Practice Test 2. Get it with Pro to take the full 40-question test.
Why is proper load distribution especially important on a combination vehicle?
Cargo loaded too high in a trailer is dangerous mainly because it:
Cargo in a combination vehicle must be secured to prevent: