COMBINATION TEST NEW HAMPSHIRE - PRACTICE TEST
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Drivers who want to drive combination vehicles must pass the combination vehicles test. The New Hampshire CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the New Hampshire CDL Manual. Take this practice test now to prepare for the actual NH CDL combination test!
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1.
You are coupling a tractor to a semi-trailer. After checking the trailer height but before supplying air to the trailer, you should:
lock the trailer brakes.
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inspect the fifth-wheel.
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raise the front trailer supports.
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connect the air lines to the trailer.
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2.
Which of these is NOT part of the basic method for shifting up?
Release the clutch and press the accelerator at the same time.
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Accelerate while pressing the clutch and turn toward the driver's side.
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Push in the clutch and shift to the higher gear at the same time.
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Release the accelerator, push in the clutch and shift to neutral at the same time.
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3.
If you will be transporting hazardous materials that require placards, you must:
obtain a hazardous materials endorsement.
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transport the materials at night only.
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obtain a special transit permit.
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ask permission of the local transportation agency.
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4.
Which of the following is NOT a step in backing up with a trailer?
Backing slowly
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Checking the outside mirrors on both sides frequently
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Backing quickly when the path is straight
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Looking at your line of travel before you begin
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5.
Over-length loads:
require special driving care.
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may require special equipment such as "wide load" or flags.
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require special transit permits.
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All of the above.
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6.
The tractor protection valve:
controls the emergency brakes on combination vehicles.
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keeps air in the tractor brake system should the trailer break away or develop a bad leak.
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supplies air to the trailer air tanks.
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works the trailer brakes.
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7.
If you try to couple when the trailer is too low:
the tractor may strike and damage the trailer nose.
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the tractor could roll away.
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it might not couple correctly.
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All of the above.
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8.
When parking a trailer without spring brakes, it is very important for safety that you use wheel chocks. Why?
The air could leak out of the trailer air tank, releasing its emergency brakes.
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You may not notice a major leak in the service line until you try to put the brakes on.
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if you don't use wheel chocks, supply air will be sent to the service line instead of going to charge the trailer air tanks.
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None of the above.
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9.
When approaching a vehicle with a distracted driver, you should:
sound your horn.
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change lanes quickly.
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maintain your safe following distance.
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quickly pass the vehicle.
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10.
_________ rigs are much more likely to roll over in an accident than _________ rigs.
Empty ; fully loaded
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Fully loaded ; empty
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Fully loaded ; overloaded
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Empty ; overloaded
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NH CDL Combination Test
Number of questions: | 20 |
Correct answers to pass: | 16 |
Passing score: | 80% |
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