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UPGRADE TO CDL PREMIUM
1.
If you are caught in strong winds, you should:
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keep a strong grip on the steering wheel and slow down or pull off the roadway.
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immediately take your foot off the accelerator.
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speed up while keeping a strong grip on the steering wheel.
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2.
To know how much space you should keep in front of you:
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estimate how many vehicle lengths there are between you and the vehicle ahead.
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wait until the vehicle ahead of you passes a clear landmark, then count off the seconds until you reach the same spot.
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estimate how many seconds it would take you to reach the vehicle ahead.
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3.
In newer vehicles with air brakes, you put on the parking brake:
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placing the transmission in Park.
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using a P-shaped, yellow control knob.
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using a diamond-shaped, yellow, push-pull control knob.
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4.
Which of these describes the proper braking technique when driving on a long and steep downgrade?
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Release the brakes until your speed is 5 mph above your safe speed, then apply the brakes. When your speed has decreased to your safe speed, repeat the previous steps.
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Apply the brakes. When your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
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Apply the brakes until your speed has been reduced to 5 mph, then release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
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5.
By pushing the trailer air supply control knob in, you:
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shut the air off and put on the trailer emergency brakes.
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supply the trailer with air.
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supply the tires with air.
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6.
To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
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1 second; 10 feet
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1 second; 5 feet
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2 seconds; 10 feet
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7.
When backing, you should:
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avoid using the mirrors.
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back quickly.
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use a helper if possible.
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8.
Excessive use of the service brakes results in overheating. Too much heat can:
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make the brakes stop working.
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cause the brakes to grab.
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cause the brakes apply unevenly.
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9.
In vehicles with air brakes, the air compressor governor:
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controls how much air the air compressor will pump into the air storage tanks.
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controls when the air storage tanks will pump air into the air compressor.
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controls when the air compressor will pump air into the air storage tanks.
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10.
A bridge formula permits:
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less maximum axle weight for axles that are far apart.
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more maximum axle weight for axles that are closer together.
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less maximum axle weight for axles that are close together.
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