AIR BRAKES PRACTICE TEST - SOUTH DAKOTA
21.
Front brake limiting valves were used to:
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reduce exhaust emissions.
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reduce the chance of the front wheels skidding on slippery surfaces.
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prevent overheating of the front tires.
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reduce your speed so further braking or shifting is not required.
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22.
Air brakes use ________ to make the brakes work.
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compressed gas cylinders
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compressed oil
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compressed air
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compressed gases
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23.
Slack adjusters:
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are available in four types: manual, automatic, robotic and analog.
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should move more than one inch where the push rods attach to them.
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regulate the distance that the air brake has to travel to apply friction to the wheel.
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regulate the distance between the rear wheels.
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24.
Typically an air system is fully-charged at:
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25 psi
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250 psi
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75 psi
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125 psi
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25.
Banked curves:
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should always be avoided.
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can be taken at any speed.
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are reserved for pedestrians.
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have a safe "design speed".
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