Free North Dakota CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the North Dakota CDL double/triple trailer endorsement test, make sure to know it! Our ND CDL Practice Test has the same questions as the real exam which is based on the North Dakota 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 North Dakota 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 ND commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
ND CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Which is true when checking air flow to all trailers?
2.
What is the purpose of a front-brake limiting valve?
3.
The most efficient way to drive down a long grade is to ________.
4.
How often should alcohol containers be checked during cold weather?
5.
Automatic adjusters should ________.
6.
On older vehicles, a low air pressure warning signal comes on at what psi?
7.
When uncoupling twin trailers you should park:
8.
Which of these statements about quick steering movements and doubles/triples is true?
9.
Which of these statements about the handling of doubles and triples is true?
10.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
11.
Before you can supply air to the air tanks of a second trailer you need to:
12.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
13.
What distinguishes a wedge brake from other types of brakes?
14.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
15.
When checking that air is flowing to all trailers,what is used to provide air to the supply lines?
16.
If you have manual transmission _________.
17.
To apply the parking brakes, you should _______.
18.
Why should the air hoses connected to the brake chambers be checked?
19.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
20.
Why should you drain water from compressed air tanks?