Free Massachusetts CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Massachusetts CDL double/triple trailer endorsement test, make sure to know it! Our Massachusetts CDL Practice Test has the same questions as the real exam which is based on the MA CDL Manual. It covers most of the subject areas on the Double/Triple Trailers Test such as pulling double and triple trailers, the risk of rollover, managing space, and special considerations when hauling multiple trailers. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, you can take this CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Massachusetts CDL Double/Triple Trailers Practice Test today and pass your CDL endorsement exam! Good luck and keep driving safely!

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 Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the "cut-in" pressure for most air compressor governors?
2.
When checking the low pressure warning signal, it should turn on before the pressure drops below what psi?
3.
When coupling, correct trailer height should:
4.
How often should alcohol containers be checked during cold weather?
5.
A front brake limiting valve ______.
6.
You are driving a set of doubles and a set of trailer wheels goes into a skid. Which of these is most likely to occur?
7.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
8.
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
9.
Air tanks need to be drained ______.
10.
During normal operation, the brakes of the double/triple trailer are controlled by:
11.
Pushing the brake pedal down when the spring brakes are on could _________.
12.
Before you can supply air to the air tanks of a second trailer you need to:
13.
If the air compressor has its own oil supply you should do what before driving?
14.
When driving doubles or triples, for safer handling which trailer should be at the rear?
15.
Where is compressed air stored?
16.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
17.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
18.
What does the air compressor governor control?
19.
You can test whether the trailer air system is charged by:
20.
The last step to uncouple a converter dolly is: