AIR BRAKES PRACTICE TEST - HAWAII
6.
The air compressor governor controls:
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when air tank pressure falls below the “cut-out” level.
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when the air compressor will pump air into the air storage tanks.
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the air pressure applied to the brakes.
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7.
Brake fade results from:
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excessive wear.
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excessive speeding.
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excessive use of the service brakes.
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8.
In a vehicle with a dual air brake system:
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one system supplies air to the trailer.
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both systems typically operate the regular brakes on the rear axle.
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each system has its own air tanks.
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9.
Slack adjusters:
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should move more than one inch where the push rods attach to them.
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regulate the distance between the rear wheels.
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regulate the distance that the air brake has to travel to apply friction to the wheel.
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10.
In vehicles with air brakes, the brake pedal:
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tells you how much pressure is in
the air tanks.
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let the
air out of the spring brakes.
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controls the air pressure applied to the brakes.
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