1. When preparing to drive in the winter, be sure to check:
The defrosting and heating equipment.
The windshield wipers.
All of the above.
The coolant level.
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Double
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.
Number of Questions
20
Passing Score
16
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To Pass
0
Correct
0
Incorrect
0
2. Fully-loaded rigs:
Are more likely to roll over than empty rigs.
Are less likely to roll over than empty rigs.
Are just as likely to roll over as empty rigs.
Should not be driven.
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6. What may happen if the exhaust system is not working properly?
Poisonous fumes may enter the cab.
It may cause problems if the trailer is fully loaded.
Poisonous fumes may exit the rear of the muffler system.
It may prevent proper steering.
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7. What should you do if your vehicle gets stuck on railroad tracks?
Stay in the vehicle.
Continue trying to get your vehicle off the tracks until you are successful.
Get out of the vehicle and call for assistance.
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