AIR BRAKES PRACTICE TEST - TEXAS
11.
If you are being tailgated, you should:
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turn on your taillights.
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try to let the other vehicle pass.
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drive on the shoulder.
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speed up.
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12.
The space under a heavily loaded vehicle can be very small. This can cause problems:
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on dirt roads.
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on unpaved yards.
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when crossing railroad tracks.
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All of the above.
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13.
Air pressure should build up in a single air system, within about:
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10 minutes.
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3 minutes.
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1 minute.
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15 minutes.
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14.
What should you do to test your vehicle's low air pressure warning signal?
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With the engine running, put the vehicle in a forward gear and attempt to drive forward.
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Release the parking brake valve and the tractor protection valve and reduce the air pressure by stepping on and off the brake pedal.
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Pump the brakes until the air pressure drops below 80 psi.
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With the key in the "on" or "battery charge" position, rapidly apply and release the foot brake.
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15.
Front wheel braking is good:
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only in wet conditions.
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under all conditions.
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Never.
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only in good weather.
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