CDL PRACTICE TEST (SC) - GENERAL KNOWLEDGE TEST
31.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
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50; 250
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50; 150
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100; 150
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150; 250
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32.
When using a fire extinguisher, you should stay:
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as far away from the fire as possible.
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at whatever distance you think is safe.
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at least 10 feet away from the fire.
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as close to the fire as possible, without getting burnt.
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33.
Most heavy duty vehicles use ___ air brake systems for safety.
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triple
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dual
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single
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reduced
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34.
The heavier the vehicle:
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the more work the brakes must do to stop it.
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the less work the brakes must do to stop it.
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the higher the center of gravity will be.
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None of the above.
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35.
When backing, it is important to use a helper whenever possible. Why?
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Because you cannot see everything behind your vehicle.
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Because it's required by law.
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All the above.
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To make sure you don't damage your truck.
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36.
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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use dry powder.
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37.
To prevent drowsiness before a trip, you should:
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drive with a passenger.
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schedule trips for the hours you are normally awake.
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consult your physician if you suffer from daytime sleepiness.
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All of the above.
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38.
"Tire load" means:
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the specified weight a tire can carry at the maximum pressure.
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the minimum weight a tire can carry at a specified pressure.
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the maximum safe weight a tire can carry at a specified pressure.
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the specified weight a tire can carry at the minimum pressure.
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39.
When inspecting your vehicle, before checking the engine compartment be sure that:
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the fire extinguisher is properly charged and rated.
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all tires are properly inflated.
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all lights are working.
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the parking brakes are on and/or wheels chocked.
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40.
Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.
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In heavy traffic or at night
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Over bridges or through tunnels
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During bad weather or in mountains
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All of the above.
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