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It is especially safe to drive.
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The road will become more slippery.
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Traction will increase.
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It will be easier to identify slippery spots.
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West Virginia CDL Permit Test - Double
(From the 2020 West Virginia 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 four possible answer choices. Test questions come from the West Virginia Commercial Driver’s 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.
As temperatures begin to rise and ice on road surfaces begin to melt:
2.
Before a trip, you should test the tractor protection valve by:
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Removing the air supply knob.
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Removing the rear shut-off valve.
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Releasing air with the brake pedal.
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Releasing air with the gas pedal.
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3.
During a trip, which shut-off valves should be open?
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All shut-off valves should be open.
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The rear shut-off valves should be open.
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All shut-off valves should be in the open position, except the rear shut-off valves.
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No shut-off valves should be open.
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4.
When checking its automatic transmission fluid, the vehicle:
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Should be placed on an incline.
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Should be placed on a decline.
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May have to be running.
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Should be lifted with a jack.
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5.
What does the air compressor governor do?
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Controls when the air compressor pumps air into the air storage tanks.
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Controls how quickly air leaves the air storage tanks.
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Controls the temperature of the air entering the air storage tanks.
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Controls the temperature of the air leaving the air storage tanks.
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6.
If a vehicle is equipped with power steering, the hoses should be checked:
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For leaks.
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To ensure that they are still clear.
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To ensure that they are connected to the battery.
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To ensure that they contain the proper amount of play.
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7.
When driving in fog, you should:
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Use your horn.
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Use the low beam lights.
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Use the high beam lights.
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Use the heater.
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