CDL AIR BRAKES PRACTICE TEST - IDAHO
11.
You are going down a steep grade. Once the vehicle is in the proper low gear, you should brake just hard enough to feel a slowdown, and then release the brakes when your speed has been reduced to ____ below your safe speed.
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5 mph
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15 mph
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10 mph
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12.
The air compressor is connected to:
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the engine.
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the radiator.
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the transmission.
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13.
The service brake applies and releases:
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the parking brake when you use the parking brake control.
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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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14.
When is it safe to leave your vehicle unattended without applying the parking brakes or chocking the wheels?
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When you are conducting your pre-trip inspection.
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Never.
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Only while you are taking a rest break.
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15.
Weight that is loaded so there is a high center of gravity:
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reduces the chance that the load will shift to the side or fall off.
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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