MICHIGAN CDL AIR BRAKES PRACTICE TEST
6.
If stopped on a hill, how can you start moving without rolling back?
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Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
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Release the parking brake before you have applied enough engine power to keep from rolling back.
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Press on the gas pedal, even if you have to roll back a little.
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7.
The __________ keeps air from going out if the air compressor develops a leak.
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emergency relay valve
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tractor protection valve
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one-way check valve
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8.
The tire load rating is stated:
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inside the suspension system.
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on each axle.
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on the side of each tire.
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9.
Before transporting sealed loads, you should check that:
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the seal numbers match the placard numbers.
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the load can be inspected.
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the load is properly secured.
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10.
If your vehicle is hydroplaning, you should:
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use the brakes to slow down.
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accelerate to get through the water as quickly as possible.
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release the accelerator and push in the clutch.
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