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 proper braking technique for drivers travelling down a hill or any other downgrade?
2.
Automatic slack adjusters ________.
3.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
4.
In terms of stability, doubles and triples are:
5.
When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:
6.
To check if the converter dolly is securely coupled to the rear trailer you should:
7.
The braking power of the spring brakes ______.
8.
With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:
9.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
10.
On older vehicles, a low air pressure warning signal comes on at what psi?
11.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
12.
How do you check the low pressure warning signal?
13.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
14.
Why should you check the brake adjustment often?
15.
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
16.
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
17.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
18.
Why do some air brake systems have an alcohol evaporator?
19.
Water and oil _______.
20.
To position the converter dolly over short distances you can: