WEST VIRGINIA CDL DOUBLES TRIPLES PRACTICE TEST
11.
For a cargo fire in a box trailer, you should:
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open the doors immediately and use the fire extinguisher.
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use the fire extinguisher on the doors.
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keep the doors shut.
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wait 10 minutes before opening the doors.
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12.
Doubles and triples:
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have a lower chance of skidding.
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can be stopped suddenly due to their weight.
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can't be turned suddenly.
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can be turned suddently due to the low center of gravity.
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13.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
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for one day
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for 3 days
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for one stop
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several times
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14.
When going down a steep downgrade, you should primarily brake using:
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the emergency brake.
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the braking effect of the engine.
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the service brakes.
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the parking brake.
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15.
Headache racks:
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protect you from being hit by your cargo.
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can blind other drivers.
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help you keep weights within legal limits.
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None of the above.
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16.
When stopping you should push the brake pedal down:
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quickly.
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repeatedly.
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gradually.
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as hard as you can.
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17.
You are driving a modern truck with a manual transmission. When going down a hill you should usually:
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use the same gear you would use to go up the hill.
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shift into neutral and coast.
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downshift after your
speed has already built up.
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use a lower gear than would be required to go up the hill.
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18.
When checking the engine compartment in a vehicle inspection, you should check all of the following except:
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Shock absorbers
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Coolant level in radiator
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Engine oil level
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Windshield washer fluid level
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19.
Which of the following is NOT correct? Anti-lock brakes:
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help drivers avoid skids caused by over braking.
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help drivers avoid wheel lock up.
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require drivers to apply the brakes as hard as they can without locking the wheels.
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give drivers more control over the vehicle during braking.
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20.
Another name for front-end header boards is:
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headache racks.
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containerized racks.
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cargo stopper.
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head belt.
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