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The brakes are working properly.
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The brakes need to be checked.
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The brakes are new.
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The brakes have too much stopping power.
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North Carolina CDL Permit Test - Double
(From the 2021 North Carolina CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
Directions:
This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has three or four possible answer choices. Test questions come from the North Carolina Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
Passing grade —
4 or fewer errors
advertising
1.
If the brakes “pull” to one side or the other when you use them, it's a sign that:
2.
Fully-loaded rigs:
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Are less likely to roll over than empty rigs.
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Are more likely to roll over than empty rigs.
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Are just as likely to roll over as empty rigs.
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Should not be driven.
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3.
Belts in the engine compartment should be:
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Frayed.
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Tight.
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Greasy.
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Easy to slide off.
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4.
If the emergency air line loses pressure:
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The service brakes will activate.
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The tractor protection valve will close.
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The rear trailer will detach from the combination.
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5.
The air compressor is connected to the:
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Transmission.
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Engine.
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Radiator.
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6.
When using a fire extinguisher on a fire, you should:
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Get as close to the fire as possible.
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Stand as far away from the fire as possible.
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Aim the extinguisher at the top of the fire.
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7.
When you leave your vehicle, you should:
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Apply the parking brake.
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Apply the air brake.
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Not apply any brake.
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Leave the door open.
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