AIR BRAKES PRACTICE TEST - COLORADO
6.
Hydroplaning is more likely if:
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tire tread is worn.
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the road is wet.
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tire pressure is low.
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All of the above.
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7.
Which of the following is NOT a warning sign of fatigue?
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Heavy eyelids
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Trouble remembering the last few miles driven
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Driving at the speed of the traffic
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Frequent blinking
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8.
With a dual air brake system:
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each system shares air tanks.
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one system is the main braking system while the other is a back-up system.
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each system shares the same lines and hoses.
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each system has its own air tanks, hoses and lines.
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9.
Slack adjusters:
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regulate the distance that the air brake has to travel to apply friction to the wheel.
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should move more than one inch where the push rods attach to them.
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are available in four types: manual, automatic, robotic and analog.
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regulate the distance between the rear wheels.
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10.
Typically an air system is fully-charged at:
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250 psi
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25 psi
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125 psi
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75 psi
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