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UPGRADE TO CDL PREMIUM
1.
When inspecting the coupling, how much space should there be between the upper and the lower fifth-wheel?
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It depends on the trailer
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None.
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½ inch
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2.
For safe handling, the heaviest trailer should be:
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the second trailer in a triple.
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behind the tractor.
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the last trailer.
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3.
Before connecting the converter dolly to the rear trailer, make sure that:
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the kingpin rests on the fifth-wheel.
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the shut-off valves at the rear of the first trailer are open.
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the trailer height is slightly lower than the center of the fifth-wheel.
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4.
What is the most important reason to inspect your vehicle?
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Your safety and that of other road users.
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Saving money by preventing costly repairs.
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Vehicle inspection is required by federal and state laws.
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5.
What is the minimum tread depth for tires other than front tires?
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2/32 inch
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8/32 inch
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4/32 inch
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6.
To start moving without rolling back, you should:
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put on the parking brake whenever necessary.
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partly engage the clutch before you take your right foot off the brake.
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All of the above.
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7.
To avoid becoming an aggressive driver you should:
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give other drivers your full attention.
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give other drivers the benefit of the doubt.
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make gestures to other drivers.
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8.
If an aggressive driver is involved in an accident down the road, you should:
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try to get their vehicle to the side of the road.
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stop a safe distance from the accident scene, wait for the police and report the behavior you witnessed.
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confront the aggressive driver.
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9.
You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
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1/32
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4/32
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2/32
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10.
Which of the following is not a sign of fatigue?
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Frequent blinking
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Rubbing eyes
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Keeping a steady speed
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