8. When parking a double or triple vehicle:
You should park on the roadway.
You should park in a location where you can pull forward to exit.
You should back into your parking spot.
You should ask people to move their vehicles.
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Double #2
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
10. Once a coupling is completed, there should be:
Three inches of space between the upper and lower fifth wheel.
No space between the upper and lower fifth wheel.
A moderate amount of space between the upper and lower fifth wheel.
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11. To inspect slack adjusters on S-cam brakes, you need to:
Park on a hill and test the brakes.
Chock the wheels and disengage the parking brake.
Put on gloves and push in the slack adjusters.
Remove the drum and look inside.
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12. An application pressure gauge shows:
How much air pressure is available.
How much air pressure is being applied to the brakes.
How much air pressure is required to stop a vehicle.
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13. If a trailer is too high:
It may not couple correctly.
Coupling will be easier.
It will not make a difference when coupling.
Coupling will be more secure.
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14. The application pressure gauge:
Shows the pressure of the air coming from the compressor.
Shows how much air pressure is being applied to the brakes.
Shows the temperature of air being used in the braking system.
Shows the number of times the brakes have been used.
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