MICHIGAN CDL COMBINATION PRACTICE TEST
11.
Most heavy trucks with manual transmissions require ____ to change gears.
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single clutching
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double clutching
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triple clutching
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12.
If your vehicle catches fire, you should pull over:
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in an open area.
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near trees.
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at a service station.
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13.
When backing a trailer, you should:
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avoid correcting the drift.
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turn the steering wheel in the direction you want to go.
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try to position your vehicle so you can back in a straight line.
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14.
You should use chocks when parking a trailer without spring brakes because:
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it helps prevent skids.
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the brakes will hold only as long as there is air pressure in the trailer air tank.
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it is required by law.
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15.
When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
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the trailer is fully loaded.
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the trailer is empty or lightly loaded.
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the trailer is overloaded.
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16.
Which of the following is NOT part of a trailer air line system?
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Emergency air-line
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Glad hands
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Kingpin
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17.
If you get stuck on railroad tracks, you should:
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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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18.
Which of the following makes a rollover more likely?
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Keeping the load centered on your rig
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Keeping the cargo as close to the ground as possible
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Driving quickly around turns
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19.
Which of the following is NOT part of the procedure to raise the landing gear?
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Using the high range gear, if equipped, to begin raising the landing gear
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Safely securing the crank handle, after raising the landing gear
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Raising the landing gear all the way up
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20.
A truck tractor with _________ requires the shortest stopping distance.
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a fully loaded trailer
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a lightly loaded trailer
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an empty trailer
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