Free New Hampshire CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the New Hampshire CDL double/triple trailer endorsement test, make sure to know it! Our NH CDL Practice Test has the same questions as the real exam which is based on the NH 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 New Hampshire 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 NH commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NH CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the purpose of an antilock braking system (ABS)?
2.
Automatic slack adjusters ________.
3.
When driving a truck with more than one trailer, which trailer should be first behind the truck?
4.
An application pressure gauge shows how much air you are applying to the brakes. Increased application pressure to maintain the same speed indicates that __________.
5.
You will test that the trailer service brakes are working by:
6.
How do air-operated disc brakes work?
7.
The increased likelihood of doubles and triples turning over is called:
8.
Which of these statements about quick steering movements and doubles/triples is true?
9.
On newer vehicles, the parking brake control knob is typically yellow, but on older vehicles, the parking brake might be what color?
10.
During normal operation, the brakes of the double/triple trailer are controlled by:
11.
If you want to couple a second trailer to your combination vehicle, secure it by using:
12.
When the safety valve releases air this indicates ___________.
13.
The tractor protection valve should pop out when air pressure falls to:
14.
Why does a heavily-loaded vehicle take longer to stop than a lightly-loaded vehicle?
15.
If you have manual transmission _________.
16.
What is a front brake limiting valve?
17.
To apply the parking brakes, you should _______.
18.
When performing the controlled braking method for an emergency stop, you are _________.
19.
The pintle hook should never be unlocked when:
20.
A visual inspection after coupling should show that: