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 a front-brake limiting valve?
2.
What is proper braking technique for drivers travelling down a hill or any other downgrade?
3.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
4.
To check if the converter dolly is securely coupled to the rear trailer you should:
5.
How often should alcohol containers be checked during cold weather?
6.
With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:
7.
An air brake is made up of which of the following braking systems?
8.
Brake linings should not be _______.
9.
The trailer air supply control should pop out when the air pressure falls into the pressure range of:
10.
If the dolly has spring brakes, release them with:
11.
Pushing the brake pedal down when the spring brakes are on could _________.
12.
What distinguishes a wedge brake from other types of brakes?
13.
If your vehicle is not equipped with ABS, when you brake hard on a slippery surface what may occur?
14.
After coupling the converter dolly to the first trailer, the pintle hook should be:
15.
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?
16.
Why should the air hoses connected to the brake chambers be checked?
17.
Vehicles with air brakes have pressure gauges connected to the _______.
18.
When the mechanical arm of a wig wag drops into your view that means the pressure in your system has dropped below what psi?
19.
The last step to uncouple a converter dolly is:
20.
Drivers of doubles and triples must take into greater account: