Free California CDL practice test with 20 questions on general knowledge, air brakes, combination vehicles, and California DMV commercial licensing. Instant scoring.
These questions are for study practice only and are not official exam questions.
Question 1
1
A California CDL holder is disqualified for a second major offense such as a second DUI while operating a CMV. What is the typical federal disqualification?
Question 2
2
Which agency issues Commercial Driver's Licenses in California?
Question 3
3
Who administers the CDL skills test in California by default?
Question 4
4
A California CDL applicant needs the N (tank vehicle) endorsement. What does this endorsement require?
Question 5
5
Why does a California CDL driver perform a brake check before descending a long grade?
Question 6
6
Where is California's official commercial driver manual published?
Question 7
7
A California driver is applying for a Class C CDL. When does Class C apply?
Question 8
8
What is the maximum validity period for a Commercial Learner's Permit under federal rule, which California follows?
Question 9
9
What is the Employer Testing Program (ETP) in California?
Question 10
10
What is true about the passing score for California's CDL knowledge tests?
Question 11
11
Which California statutes govern the Employer Testing Program for CDL skills testing?
Question 12
12
A California CDL applicant fails the air brake knowledge test section. What restriction results?
Question 13
13
A California CLP holder wants to take the skills test 10 days after receiving the permit. What does federal rule require?
Question 14
14
A California driver operating a combination vehicle notices the trailer hand valve applies air to the trailer brakes only. What is this device generally used for?
Question 15
15
A California CDL holder wants to add the X endorsement. What does the X endorsement combine?
Question 16
16
How must a California CDL applicant schedule a skills test appointment?
Question 17
17
Under federal rule followed in California, what BAC level disqualifies a CDL holder operating a CMV?
Question 18
18
A California CDL applicant is a first-time Class A applicant in 2026. What must happen before the skills test?
Question 19
19
A California CDL applicant wants the P (passenger) endorsement. What must the vehicle be designed to do?
Question 20
20
A California CDL holder's DOT medical certificate is valid for how long at most, separate from the CDL's own expiration?
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