Free Massachusetts CDL Combination Vehicles Practice Test 2022

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 2022 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
1.
The likelihood of a fully loaded rig turning over compared to an empty trailer is:
2.
The trailer air supply control knob is:
3.
The higher the center of gravity of your truck, the:
4.
The tractor protection valve will close, and the trailer emergency brakes will come on when there is a major leak in the _____ brake line.
5.
You have coupled with a semitrailer, where should you put the iron trailer supports before driving away?
6.
The iron trailer supports are up and the trailer is resting on the tractor. Make sure:
7.
To make coupling and uncoupling a loaded trailer easier:
8.
In order to allow the trailer brakes to be applied more quickly, what is connected to the service air line?
9.
Trailers will have an ABS malfunction lamp:
10.
How should you test the tractor-semitrailer connection for security?
11.
How much space should there be between the upper and lower fifth wheel?
12.
When coupling or uncoupling, all of these apply to the trailer except:
13.
When backing a tractor under a trailer you should:
14.
Rocky mountain doubles have a rearward amplification of about:
15.
What will happen if the air lines are crossed when you hook up to an old trailer?
16.
What gear should the tractor engine be in after you uncouple the trailer and are inspecting the trailer supports?
17.
After connecting the air lines but before backing under the trailer you should:
18.
At the back of trailer used to tow other trailers are shut-off valves, also called:
19.
When coupling, the proper position of the fifth wheel is:
20.
Where should the tractor be when you inspect the landing gear after uncoupling the trailer?