1.
You should use your horn to:
to let others know you are there.
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to let others know you are about to increase your speed.
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to let others know you are about to break.
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to let others know you are an experienced driver.
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2.
In an emergency, if you have to drive off the road you should:
keep one set of wheels on the pavement, if possible.
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avoid using the brakes until your speed has dropped.
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stay on the shoulder (if possible) until your vehicle has come to a stop.
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All of the above.
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3.
You should signal your intention to turn at least ____ before turning or changing lanes.
100 feet
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250 feet
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75 feet
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50 feet
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4.
When you push the brake pedal down, air brakes work:
after a short delay.
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immediately.
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only when ABS is working.
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after about 15 seconds.
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5.
If stopped on a hill, how can you start moving without rolling back?
Release the parking brake before you have applied enough engine power to keep from rolling back.
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Press on the gas pedal, even if you have to roll back a little.
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Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
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None of the above.
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6.
If the safety relief valve in the air brake system releases air:
this will supply more power to the brakes.
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the valve is fully operational.
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this will supply more power to the drive wheels.
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something is wrong.
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7.
When you take a break in the middle of your trip, you should check:
tires, brakes, lights and cargo securement devices.
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gauges for signs of trouble.
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heater, defroster and windshield wiper blades.
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missing exhaust pipes.
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8.
The air tanks should be drained completely to remove:
air.
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the radiator cap.
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water and oil.
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carbon monoxide.
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9.
Emergency brakes must be held on by:
hydraulic pressure.
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mechanical force.
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air pressure.
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dynamic pressure.
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10.
Older trailers do not have spring brakes. If the air supply leaks away:
the trailer will stop normally.
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there will be no emergency brakes.
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the ABS won't work properly.
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All of the above.
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