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1.
What should you do to correct a drive-wheel braking skid?
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Stop braking, turn the steering wheel quickly, push in the clutch, and countersteer.
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Fully apply the brakes, turn the steering wheel quickly, push in the clutch, and countersteer.
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Turn in the same direction as the skid.
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None of the above.
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2.
Older trailers do not have spring brakes. If the air supply leaks away:
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there will be no emergency brakes.
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the trailer will stop normally.
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the ABS won't work properly.
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All of the above.
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3.
Supply pressure gauges tell you:
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when the air pressure in the tanks falls below 60 psi.
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when the pressure in the system drops below 60 psi.
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how much air pressure you are applying to the brakes.
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how much pressure is in the air tanks.
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4.
What factors can cause brakes to fade?
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Dirt roads and in unpaved yards.
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Slippery surfaces and shaded areas.
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Gravel and tar.
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Excessive heat and brakes out of adjustment.
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5.
Overloading a vehicle with cargo can have negative effects on all of the following except:
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Speed control
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Braking
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Weight limits
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Steering
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6.
If your vehicle has an alcohol evaporator, every day during cold weather, you should:
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check the alcohol container and fill up as necessary.
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fill it up with oil to prevent the pipes from freezing.
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fill it up with oil to prevent alcohol from freezing.
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ensure that compressed air usually has some water and some compressor oil in it.
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7.
An Anti-lock Braking System (ABS):
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keeps your wheels from locking up when you brake hard.
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lets you drive faster.
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increases your normal braking capability.
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always shortens your stopping distance.
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8.
A low air pressure warning signal is required on:
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Warning signals are optional.
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all vehicles with air brakes.
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all vehicles with air brakes built after 2009.
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all vehicles with air brakes built after 2005.
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9.
If the air pressure gets too low:
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you should set the parking brake.
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ABS will help maintain vehicle control.
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the brakes will not work.
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the brakes will lock up.
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10.
The s-cam forces the brake shoes away from one another and presses them against the inside of the brake drum. It is called the s-cam because:
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"S" stands for "Shoes".
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it is shaped like the letter "S".
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it is a safe-driving brake.
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it applies a "Shock" to the brakes.
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