Free New Hampshire CDL Double/Triple Trailers Practice Test 2023

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 2021 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
What is the "cut-in" pressure for most air compressor governors?
When checking the low pressure warning signal, it should turn on before the pressure drops below what psi?
When connecting converter dolly to the front trailer, support gear should be:
The most efficient way to drive down a long grade is to ________.
In terms of stability, doubles and triples are:
Automatic adjusters should ________.
You are driving a set of doubles and a set of trailer wheels goes into a skid. Which of these is most likely to occur?
The air compressor should pump air starting at what psi?
How should the air leakage rate be tested?
A safety valve that releases air _______.
What is likely to happen if the pintle hook is unlocked with the dolly still under the second trailer?
If the air compressor has its own oil supply you should do what before driving?
Letting up on the brake pedal _______.
When driving doubles or triples, for safer handling which trailer should be at the rear?
When testing the trailer emergency brakes, charge the system, pull out the trailer air supply control, and:
Which of the following is the most common reason brakes fade?
A safe speed on a curve for a smaller commercial vehicle:
Why should you never push the brake pedal down when the spring brakes are on?
You can test whether the trailer air system is charged by:
A converter dolly is used: