Free California CDL Combination Vehicles Practice Test 2022

You have to pass the California CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for good source material for your coming CDL test? You are in the right place. Our CDL practice test website is a great resource for beginners. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. The California CDL Combination Vehicles Practice Test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official California CDL Handbook so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each question has a detailed explanation so that it is very useful for you to learn from your mistakes. Preparing well before test day with questions and content that we cover. Start with our free California CDL Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 CA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CA CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Which of the following is part of the electrical and air lines coupling inspection?
2.
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
3.
How much space should be allowed between the upper and lower fifth wheel after coupling?
4.
The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than _____ psi per minute.
5.
Spring brakes are not required on trailers and dollies built before:
6.
The shut-off valves at the back of the last trailer should be:
7.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
8.
When you get ready to back under a semitrailer you should line up:
9.
Which part of the kingpin should the locking jaw close around?
10.
If you have to enter another traffic lane to complete a wide turn, you should:
11.
When driving a combination vehicle with multiple trailers or dollies, all air shut-off valves except the last one at the back must be:
12.
If the spring brakes are not released when you pushed the trailer air supply valve you should:
13.
There are two things that a driver can do to prevent a rollover: They are: (1) go slow around turns, and (2):
14.
The "rearward amplification" value means:
15.
You are about to back your tractor under a semitrailer. The trailer is at the right height when the:
16.
After you have coupled the trailer you should raise the landing gear by using:
17.
Like tractor air tanks, trailer air tanks should be kept free of dirt and oil by:
18.
Driving with an empty trailer:
19.
The safety latch for the fifth wheel locking lever must be _____ for a coupling to be complete.
20.
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should: