VT CDL AIR BRAKES PRACTICE TEST
21.
Empty trucks:
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are higher than loaded trucks.
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require greater stopping distances.
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All of the above.
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22.
If the ABS is not working:
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the vehicle will have no brakes.
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you still have normal brake functions.
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the vehicle will have weak brakes.
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23.
Which of the following is NOT a reason for hydraulic brake failure?
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Brake fade on long hills
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Loss of hydraulic pressure
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Stab braking
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24.
Some air brake systems have an alcohol evaporator to:
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prevent ice from forming in the brake system.
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reduce the danger of slipping.
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reduce the stopping power of the vehicle.
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25.
You are driving on a steep downgrade. If your safe speed is 35 mph, you should apply the brakes when your speed reaches:
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25 mph
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35 mph
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30 mph
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