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New Hampshire CDL Practice Test: Double and Triples - Test 5 2020

(From the 2020 New Hampshire CDL Handbook)
Number of tests: 28
Number of questions: 30
Passing score: 80

Directions: To obtain this endorsement for pulling two or three trailers, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the New Hampshire Commercial Driver Handbook. The Double/Triple trailers endorsement can be used with the Class A CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at New Hampshire DMV locations.

1. Automatic slack adjusters ________.

2. The pressure in the service line indicates ______.

3. Which of the following is a necessary step to ensure that you have the best control of your double or triple on a curve?

4. When connecting the converter dolly to the rear trailer, you should remember to ________.

5. It is very dangerous to unlock the pintle hook with the dolly still under the rear trailer because _________.

6. When the emergency line loses pressure ______.

7. Why should you keep the fifth wheel plate lubricated?

8. If you are pulling triple trailers where should you position the heaviest trailer?

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