NEW YORK CDL AIR BRAKES PRACTICE TEST
21.
In air-operated disc brakes, the pressure of the ______ on the ______ turns a "power screw".
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brake camshaft; tie rod
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slack adjuster; cam roller
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brake chamber; slack adjuster
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slack adjuster; tie rod
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22.
The air brake lag distance at 55 mph on dry pavement adds about:
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75 feet.
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16 feet.
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32 feet.
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60 feet.
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23.
If you get stuck on railroad tracks, you should:
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check the engine compartment quickly.
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get out of the vehicle and away from the tracks.
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have a helper push your vehicle.
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stay in the vehicle and call for help.
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24.
Which of the following is not a braking system on a truck?
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Service brake
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Emergency brake
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Steering brake
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Parking brake
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25.
Overloading a vehicle with cargo can have negative effects on all of the following except:
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Steering
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Braking
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Weight limits
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Speed control
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