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 should you do when the low air pressure warning comes on?
2.
What is the purpose of an antilock braking system (ABS)?
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.
To test the tractor protection valve, the engine needs to be:
5.
In terms of stability, doubles and triples are:
6.
The braking power of the spring brakes ______.
7.
When coupling or uncoupling, trailer or dolly wheel should always be:
8.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
9.
Which of these statements about quick steering movements and doubles/triples is true?
10.
Brake drums should not have cracks longer than what length?
11.
How do you check the low pressure warning signal?
12.
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
13.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
14.
After coupling the converter dolly to the first trailer, the pintle hook should be:
15.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
16.
Which of the following is the most common reason brakes fade?
17.
What is a front brake limiting valve?
18.
To apply the parking brakes, you should _______.
19.
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
20.
To position the converter dolly over short distances you can: