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.
A tractor with a _______ trailer, requires the most amount of stopping distance.
2.
One good way to prevent rollover is:
3.
How much space should be allowed between the upper and lower fifth wheel after coupling?
4.
Hose couplers are also referred to as:
5.
After you lock the kingpin into the fifth wheel, you should check the connection by:
6.
Which part of the kingpin should the locking jaw close around?
7.
Rearward amplification is a major cause of:
8.
When backing under the trailer, air lines:
9.
If the service line comes apart while you are driving a combination vehicle, but the emergency line stays together, what will happen right away?
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.
When checking the trailer emergency brakes, the tractor protection control valve should be placed in what position?
13.
If the spring brakes are not released when you pushed the trailer air supply valve you should:
14.
You are coupling a tractor to a semitrailer and have backed up, but are not under it. What should you hook up before backing under?
15.
Driving with an empty trailer:
16.
You supply air to the trailer tanks by:
17.
The "rearward amplification" value means:
18.
The hand valve should be used:
19.
While driving, you should use the trailer hand valve when?
20.
If you cannot complete your turn without entering another traffic lane you should: