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.
The part of the combination vehicle most likely to turn over is the:
2.
What is a modulating control valve?
3.
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.
4.
Air brakes take longer to stop than hydraulic brakes because _______.
5.
On large buses low pressure warning devices usually signal at ______.
6.
On older vehicles, a low air pressure warning signal comes on at what psi?
7.
If the rear trailer does not have spring brakes, disconnecting the emergency line after charging will:
8.
Brake drums should not have cracks longer than what length?
9.
When driving doubles or triples in adverse or slippery weather conditions, all of the following are true except:
10.
How do you check the low pressure warning signal?
11.
The service brake system ________.
12.
Before you can supply air to the air tanks of a second trailer you need to:
13.
Why should air tanks be drained completely?
14.
When stab braking if you re-apply the brakes before the wheels start rolling, __________.
15.
When you make an emergency stop, you should _________.
16.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
17.
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _________.
18.
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?
19.
If the malfunction lamp stays on after the bulb check, __________.
20.
To position the converter dolly over short distances you can: