Free Maine CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Maine CDL double/triple trailer endorsement test, make sure to know it! Our Maine CDL Practice Test has the same questions as the real exam which is based on the Maine 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 Maine 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 ME commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
ME CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the function of an "application pressure gauge"?
2.
Automatic adjusters should ________.
3.
The increased likelihood of doubles and triples turning over is called:
4.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
5.
The service brake system ________.
6.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
7.
Air tanks need to be drained ______.
8.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
9.
Pushing the brake pedal down when the spring brakes are on could _________.
10.
What distinguishes a wedge brake from other types of brakes?
11.
When driving doubles or triples, for safer handling which trailer should be at the rear?
12.
When you make an emergency stop, you should _________.
13.
What does the air compressor governor control?
14.
Why should the air hoses connected to the brake chambers be checked?
15.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
16.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
17.
Why should you drain water from compressed air tanks?
18.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
19.
Drivers of doubles and triples must take into greater account:
20.
When uncoupling the rear trailer, which of these should be done first?