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UPGRADE TO CDL PREMIUM
1.
If you must make an emergency stop, you should:
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apply the brakes as hard as you can to lock them.
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brake in a way that will keep your vehicle in a straight line.
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use the hand brake before the brake pedal.
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None of the above.
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2.
To prevent a rollover, you should keep the cargo as close to the ground as possible and:
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keep the vents clear so they work correctly.
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make sure that the release arm is in the engaged position.
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keep an eye on your tires.
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go slowly around turns.
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3.
When approaching a stopped bus, you must be aware that:
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a student may be driving the bus.
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passing a stopped bus is illegal.
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passengers may cross in front of or behind the bus.
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passengers crossing in front of the bus can always see you.
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4.
Before connecting the converter dolly to the rear trailer, make sure that:
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the shut-off valves at the rear of the first trailer are open.
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the locking jaws rest on the kingpin.
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the trailer height is slightly lower than the center of the fifth-wheel.
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the kingpin rests on the fifth-wheel.
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5.
What is the minimum tread depth for tires other than front tires?
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8/32 inch
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4/16 inch
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4/32 inch
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2/32 inch
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6.
_________ can make vehicle handling unsafe.
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Dry roads
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ABS
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Poor ventilation
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Poor weight balance
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7.
Which of the following is NOT a step in backing up with a trailer?
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Checking the outside mirrors on both sides frequently
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Looking at your line of travel before you begin
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Backing slowly
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Backing quickly when the path is straight
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8.
When uncoupling, after you unlock the fifth-wheel you should:
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pull the tractor clear of the trailer.
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chock the trailer wheels.
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ease the pressure on the locking jaws.
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pull the tractor partially clear of the trailer.
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9.
Brake fade results from, and is affected by:
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excessive heat caused by not relying on the engine braking effect.
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excessive heat caused by using the brakes too much.
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brakes out of adjustment.
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All of the above.
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10.
When going down grades, you should:
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shift up.
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downshift to a lower gear.
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put the transmission in Neutral.
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rely solely on engine braking to reduce your speed.
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