Free Massachusetts CDL Combination Vehicles Practice Test 2023

You have to pass the Massachusetts CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good Massachusetts CDL Practice Test source for your coming CDL test? You are in the right place. Our practice test 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. Our CDL practice test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official MA CDL Manual 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 Massachusetts CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2021 MA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MA CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
Air brake equipped trailers made before 1975:
You should not back a tractor under a trailer until the air system is:
To unlock the fifth wheel, the locking lever should be placed in the ______ position.
If your trailer goes into a skid, you should do all of the following except:
Supplied by the service line from the tractor, each trailer or dolly has its own:
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
When connecting the glad hands, press the two seals with the couplers together at what degree to each other?
When coupling, trailer height should:
What is the term for a commercial vehicle habit of swinging wide on turns?
To stop other drivers from passing you on the right when turning wide:
A driver crosses the air lines when hooking up to an old trailer. What will happen?
Improperly greased or lubricated fifth wheels will cause:
The best and earliest way to recognize that your trailer has started to skid is:
Trailer landing gear:
To stop a trailer skid you should:
When uncoupling the trailer, after you shut off the trailer air supply and lock the trailer brakes, you should:
To test the tractor protection valve, pump the brakes with the engine off until the trailer air supply knob pops out, usually at:
The fifth wheel locking lever is not locked after the jaws close around the kingpin. This means that:
In case of landing gear failure while pulling out from under it, you should: