CDL AIR BRAKES PRACTICE TEST - OKLAHOMA
21.
If your truck has automatic transmission, you should downshift:
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whenever road conditions allow.
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after entering a curve.
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when going down grades.
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22.
The service brake applies and releases:
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the brake in an emergency situation.
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the brake when you use the brake pedal during normal driving.
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the parking brake when you use the parking brake control.
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23.
If are being followed closely, you should:
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change lanes quickly.
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decrease your following distance.
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increase your following distance.
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24.
If your trucks has a high center of gravity, which of the following is true for curves?
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You should travel at the posted speed limit.
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Reduce your speed to a crawl.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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25.
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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