AIR BRAKES PRACTICE TEST - WYOMING
11.
Which of the following is not a braking system on a truck?
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Emergency brake
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Parking brake
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Service brake
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Steering brake
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12.
If your vehicle does not have automatic air tank drains, how often should you drain air tanks to remove moisture and oil?
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Once a week.
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At the end of each working day.
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At least once a month.
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Every 4 hours.
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13.
Why should you check your mirrors regularly to know where other vehicles are around you?
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To move out of their way if they want to get past.
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To flash the brake lights if you are being tailgated.
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To know whether you can make a quick lane change in an emergency.
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To better assess your own speed.
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14.
Before driving a vehicle with a dual brake brake system, the driver should:
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wait at least 5 minutes before driving.
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wait at least 10 minutes before driving.
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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pump the brake pedal 10 times to build pressure.
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15.
The heavier the vehicle:
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the more work the brakes must do to stop it.
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the less work the brakes must do to stop it.
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the higher the center of gravity will be.
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None of the above.
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