CDL PRACTICE TEST - GENERAL KNOWLEDGE (NEVADA)
11.
Which of these is true about fire extinguishers?
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Check that the extinguisher is the correct type for the class of fire that may occur.
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You must study the instructions printed on the extinguisher before you need it.
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The fire extinguisher must be properly charged and rated.
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All of the above.
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12.
If there is a sign indicating "Maximum Safe Speed", you should:
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travel at the posted speed.
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consider it as a suggestion.
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know that it doesn't apply to vehicles weighing more than 26,000 pounds.
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never exceed the speed shown.
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13.
When driving on a slippery surface, you should do all of the following except:
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keep a shorter following distance.
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not pass slower vehicles unless necessary.
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watch far enough ahead to keep a steady speed.
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adjust braking to conditions.
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14.
Do NOT use water on a _______ fire.
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cloth
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paper
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gasoline
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wood
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15.
If you triple the speed from 20 to 60 mph the impact and braking distance is:
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9 times greater.
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12 times greater.
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3 times greater.
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6 times greater.
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16.
Brake fade results from:
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excessive speeding.
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excessive use of the service brakes.
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excessive smoke.
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excessive wear.
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17.
Which of the following statements about engine belts and driving in hot weather is true?
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Loose belts will result in overheating.
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Loose belts will not turn the water pump and/or fan on properly.
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You can check v-belt tightness by pressing on the belts.
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All of the above.
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18.
Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
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white.
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blue.
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red.
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yellow.
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19.
A red triangle with an orange center means:
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Slow-moving vehicle
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The vehicle is hauling hazardous materials
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Law enforcement vehicle
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Liquid tanker
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20.
When driving in hot weather, drivers should inspect tires:
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every hour or every 50 miles.
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every 3 hours or every 75 miles.
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every 4 hours or every 200 miles.
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every 2 hours or every 100 miles.
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