AIR BRAKES PRACTICE TEST - PENNSYLVANIA
6.
If you get stuck on railroad tracks, you should:
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stay in the vehicle and call for help.
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check the engine compartment quickly.
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have a helper push your vehicle.
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get out of the vehicle and away from the tracks.
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7.
If the ABS is not working:
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you still have normal brake functions.
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the vehicle will have weak brakes.
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the vehicle will have no brakes.
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None of the above.
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8.
Radial and bias-ply tires:
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should be used together only when driving in packed snow.
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should be used together only during bad weather.
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should be used together.
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should not be used together.
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9.
If your trailer starts to skid, you should:
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keep the rear of your vehicle close to the curb.
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use the trailer hand brake (if you have one) to straighten out the rig.
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accelerate slightly.
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release the brakes to get traction back.
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10.
Which of the following is NOT a way to determine if your trailer is equipped with ABS (antilock braking system)?
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It was built after March 1, 1998.
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It has yellow ABS malfunction lamps.
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Wheel speed sensor wires are coming from the back of the brakes.
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The letters "ABS" are printed on the side of the steering wheel.
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