CDL GENERAL KNOWLEDGE TEST (OR) - PRACTICE TEST
11.
When driving in fog, drivers should:
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use high beams.
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use low beams.
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use the windshield wipers.
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use windshield washer antifreeze.
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12.
The first thing to do at an accident scene is to:
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notify authorities.
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keep another accident from happening.
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care for the injured.
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gather information.
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13.
Longer combination vehicles have the tendency to swing wide on turns. This is called:
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jackknifing.
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off-tracking.
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rollover.
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hydroplaning.
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14.
If driving a new vehicle, you should familiarize yourself with the controls and equipment:
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within the first 50 miles.
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as you drive.
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before you start driving.
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after pulling into a service station.
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15.
The parking brake should be tested while the vehicle is:
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moving forward slowly.
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moving back slowly.
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moving at highway speeds.
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None of the above.
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16.
Placards must be:
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readable from all 4 directions.
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turned upright on a point.
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in a diamond shape.
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All of the above.
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17.
Escape ramps:
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should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
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cannot be used by certain types of heavy vehicles.
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are designed to stop runaway vehicles safely.
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All of the above.
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18.
While driving at night, use __________ when it is safe and legal to do so.
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high beams
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interior lights
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emergency flashers
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low beams
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19.
When possible, you should park:
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so you will have to back up when you leave.
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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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on the roadway.
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20.
If a load is placed on one side of the trailer:
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making turns may be easier.
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your brakes won't work.
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the steering axle weight will be too light to steer safely.
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a rollover is more likely.
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