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 function of an "application pressure gauge"?
2.
What should you do when the low air pressure warning comes on?
3.
Which is true when checking air flow to all trailers?
4.
When testing the coupling of the double trailer, the landing gears of the rear trailer should be:
5.
A low pressure warning signal could be __________.
6.
You should check trailer height before connecting a converted dolly to a second or third trailer. The trailer height is right when:
7.
When uncoupling twin trailers you should park:
8.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
9.
Air tanks need to be drained ______.
10.
The most common type of foundation brake is?
11.
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel?
12.
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
13.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
14.
A danger of a malfunctioning tractor protection valve is:
15.
Why should you never leave your vehicle unattended without applying the parking brakes?
16.
Typically, air storage tanks hold enough air to allow the brakes to be used _______ even if the compressor stops working.
17.
If the air compressor does not have its own oil supply, how is it lubricated?
18.
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
19.
Which of the following factors explains why the total stopping distance for air brakes is longer than that for hydraulic brakes?
20.
What affects the stopping distance for air brakes?