DOUBLES TRIPLES TEST AZ - CDL PRACTICE TEST
11.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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10, 100 and 200 feet
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5, 50 and 500 feet
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5, 25 and 50 feet
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12.
A red triangle with an orange center means:
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Law enforcement vehicle
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Slow-moving vehicle
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The vehicle is hauling hazardous materials
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13.
When you double your speed, the braking distance is:
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4 times longer.
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the same.
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3 times longer.
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14.
If a trailer does not have spring brakes, to keep the trailer from moving you should:
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park on a slight decline.
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use the service brakes.
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use wheel chocks.
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15.
If coolant has to be added to a system without a recovery tank, you should:
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keep the engine running while adding coolant.
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turn the radiator cap quickly to the first stop.
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wait until the engine has cooled before adding coolant.
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16.
Combination vehicles usually:
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are easier to drive than single than single CMVs.
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require more driving skill than single CMVs.
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are shorter than single than single CMVs.
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17.
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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18.
When making a turn you should:
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make gestures to get the attention of other drivers.
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honk your horn.
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signal early.
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19.
A trailer jackknife is more likely to happen when the trailer is:
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loaded to its full capacity.
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empty.
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overloaded.
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20.
Alcohol:
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improves reaction time.
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does not affect judgement.
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impairs depth perception.
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