CDL Quizzes & Trivia

Curious and eager to learn new trivia about life, the universe, and everything? If yes, what better way to take some awesome cdl quizzes online? Test yourself and share these cdl quizzes to find out who is the quiz champ!

Enhance your knowledge about a topic or learn something completely new by answering ultimate cdl quiz questions.

Each and every cdl quiz that we have is made up of well-researched and interesting quiz questions. With detailed instant feedback for quiz answers, you can easily learn something new about cdl with every question you attempt.


Commercial drivers have to get a CDL passenger endorsement so that they can drive busses or transport passengers. For you to get this license you have to pass the exams set. If you are looking for revision material, he quiz...

Questions: 20  |  Attempts: 36068
  • Sample Question
    If your bus has an emergency exit door. It MUST?

For you to become or keep being a commercial driver there are a couple of test that you must take to ensure that you are well capable of carrying out your job with minimal accidents. Are you getting ready for the CDL pre-trip...

Questions: 26  |  Attempts: 11584
  • Sample Question
    WHAT STRUCTURE (THAT SUPPORTS THE FIFTH WHEEL SKID PLATE) SHOULD BE CHECKED FOR CRACKS OR BREAKS?

A combination vehicle is one that connects a tractor to one or more trailers. These types of vehicles are used to transport heavy objects and due to their uniqueness need a different driving license other than the normal...

Questions: 25  |  Attempts: 6147
  • Sample Question
    You are driving a combination vehicle. If the service air line comes apart but the emergency line stays together, what will happen right away?




CDL Questions & Answers


When is a trailer most likely to jackknife?
The answer to this question is C. A jackknife is a type of knife that can be folded easily. If you would jackknife your trailer, you have to make sure that it is empty. Otherwise, you will spill all of its contents all over the road. The container ma
YOU ARE DRIVING A 40 FOOT BUS AT 50 MPH. THE ROAD IS DRY AND VISIBILITY IS GOOD. YOU SHOULD KEEP ______ SECONDS OF SPACE IN FRONT OF YOUR BUS TO BE SAFE?
I thought the stopping speed was one second for every ten feel up to 40 miles per hour, and then add 2 seconds for each additional ten miles over fourty miles per hour making the correct answer 6 .
What should you ensure if the front trailer supports are up and the trailer is resting on the tractor?
Once the trailer supports are up and the tractor is on, you must make sure there is space between the landing gear and the tractor frame. Having enough clearance between the landing gear and the frame will ensure that nothing gets stuck. If grass or
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