1.
When backing, you should:
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back and turn toward the right side whenever possible.
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back quickly.
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only use mirror on the driver's side.
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use the mirrors on both sides.
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2.
Longer combination vehicles have the tendency to swing wide on turns. This is called:
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jackknifing.
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off-tracking.
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rollover.
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hydroplaning.
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3.
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 3 days
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for one stop
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several times
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for one day
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4.
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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5.
If you unlock the pintle hook with the dolly still under the rear trailer:
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your vehicle might roll away.
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steam and boiling water can spray under pressure.
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the dolly tow bar may fly up.
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the brakes could be damaged by the combined forces of the springs and the air pressure.
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6.
Doubles and triples:
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have a lower chance of skidding.
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can't be turned suddenly.
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can be stopped suddenly due to their weight.
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can be turned suddently due to the low center of gravity.
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7.
If there is a fire and you are not sure what to use to put it out, you should:
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use dry powder.
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use water.
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use a fire extinguisher.
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wait for firefighters.
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8.
Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
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pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
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the parking brake should never used to slow the vehicle.
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shifting into neutral may help slow the vehicle.
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All of the above.
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9.
ABS helps you:
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decrease your overall stopping distance.
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keep the wheels from locking up.
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decrease your average speed.
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lock your wheels.
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10.
Doubles/triples are:
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easier to drive than other CMVs.
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usually faster than most CMVs.
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less stable than other CMVs.
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more stable than other CMVs.
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