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.
What is the function of an "application pressure gauge"?
2.
You are driving a 100-foot truck with double trailers at 30 mph. The road is dry, and visibility is good. You should keep at least ______ seconds of space ahead of you.
3.
Automatic slack adjusters ________.
4.
In terms of stability, doubles and triples are:
5.
On large buses low pressure warning devices usually signal at ______.
6.
When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:
7.
To check if the converter dolly is securely coupled to the rear trailer you should:
8.
During normal operation, the brakes of the double/triple trailer are controlled by:
9.
The most common type of foundation brake is?
10.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
11.
During a normal drive, the spring brakes are held back by _____.
12.
An air compressor can be cooled by _______.
13.
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?
14.
Why should air tanks be drained completely?
15.
Why do some air brake systems have an alcohol evaporator?
16.
Water and oil _______.
17.
If the malfunction lamp stays on after the bulb check, __________.
18.
The last step to uncouple a converter dolly is:
19.
When uncoupling the rear trailer, which of these should be done first?
20.
A converter dolly is used: