ND CDL COMBINATION TEST - PRACTICE TEST
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Drivers who want to drive combination vehicles must pass the combination vehicles test. The North Dakota 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 North Dakota CDL Manual. Take this practice test now to prepare for the actual ND CDL combination test!
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1.
When backing a truck you should:
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always rely on your mirrors.
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back and turn toward the right side.
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get out and walk around the vehicle before you begin to back.
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look straight ahead.
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2.
Livestock:
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can move around in a trailer and cause unsafe handling.
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should always be placed in the rear of the trailer.
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should never be kept bunched together.
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should never be carried on a trailer.
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3.
If your trailer starts to skid, you should:
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lock the brakes.
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pump the brakes.
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steer in the opposite direction.
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release the brakes.
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4.
Rollovers happen when drivers:
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turn too fast.
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stop too often.
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brake too hard.
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turn too slowly.
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5.
When the ______ closes, it stops any air from going out of the tractor.
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tractor protection valve
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hand valve
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height control valve
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alcohol evaporator
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6.
To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
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2 seconds; 10 feet
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1 second; 5 feet
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3 seconds; 50 feet
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1 second; 10 feet
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7.
How do you find out how many seconds of following distance you have?
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Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
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Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
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Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
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None of the above.
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8.
Headache racks:
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can blind other drivers.
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help you keep weights within legal limits.
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protect you from being hit by your cargo.
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None of the above.
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9.
For a cargo fire in a box trailer, you should:
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keep the doors shut.
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use the fire extinguisher on the doors.
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wait 10 minutes before opening the doors.
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open the doors immediately and use the fire extinguisher.
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10.
When backing a tractor under a trailer:
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the trailer will be lifted slightly when the tractor backs under it.
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you should lift the
trailer off the fifth-wheel.
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the end of the kingpin will be even with the top of the fifth wheel.
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the fifth-wheel will come out from under the trailer.
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ND CDL Combination Test
| Number of questions: | 20 |
| Correct answers to pass: | 16 |
| Passing score: | 80% |
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