CDL PASSENGER TEST IOWA
11.
A disabled bus with passengers on board:
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should be towed or pushed to its destination with the passengers on board.
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should always be towed or pushed to the nearest safe spot to discharge passengers.
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should not be towed or pushed, unless getting off the bus would be unsafe.
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12.
If there is a fire and you are not sure what to use to put it out, you should:
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use a fire extinguisher.
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use water.
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wait for firefighters.
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13.
Why should you back toward the driver's side?
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You can see better and watch the rear of your vehicle by looking out the side window.
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You can more easily correct any steering errors.
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All of the above.
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14.
Air storage tanks:
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hold compressed air for the brakes.
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use parts of the service brake systems to stop the vehicle in a brake system failure.
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pump air into the air storage tanks.
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15.
The brake and accelerator interlock system (if your bus has one):
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applies the brakes when the rear door is closed.
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is used to shut the air off and put on the trailer emergency brakes.
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should never be used in place of the parking brake.
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16.
Rough acceleration:
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can cause mechanical damage.
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is necessary to warm up the engine.
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improves gas mileage.
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17.
Weaving across the road or drifting from one side to another is typical of:
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shoppers.
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confused drivers.
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impaired drivers.
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18.
When driving on slippery roads, you should NOT:
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try to anticipate stops early.
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go slowly.
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use the engine brake.
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19.
When possible, you should park:
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so you will be able to pull forward when you leave.
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on the shoulder.
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so you will have to back up when you leave.
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20.
Alcohol:
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impairs depth perception.
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does not affect judgement.
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improves reaction time.
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