CDL PRACTICE TEST (OR) - GENERAL KNOWLEDGE TEST
41.
To prevent drowsiness you should:
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drive with a passenger.
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eat frequently.
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keep the cab warm.
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drive at night.
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42.
Overloading can have bad effects on all of the following except:
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Braking
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Steering
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Speed control
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Exhaust system
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43.
__________ will help a drinker sober up.
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Only fresh air
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Only coffee
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Coffee and a little fresh air
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Only time
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44.
Which of the following statements about driving in very hot weather is true?
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As the temperature of the tire increases, the air pressure of a tire decreases.
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You should inspect the tires every 2 hours or every 100 miles.
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If a tire is too hot to touch, keep driving to cool it off.
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None of the above.
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45.
When making a turn, you should turn off your turn signal:
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during the turn.
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to keep others from trying to pass you.
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before entering the turn.
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after you've turned.
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46.
Which of the following statements about hydroplaning is true?
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Hydroplaning is more likely if tire tread is worn.
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Hydroplaning usually occurs at speeds lower than 30 mph.
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If your vehicle is hydroplaning, you should use the brakes to slow down.
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Hydroplaning is less likely if tire pressure is low.
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47.
If an aggressive driver is involved in an accident down the road, you should:
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stop a safe distance from the accident scene, wait for the police and report the behavior you witnessed.
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confront the aggressive driver.
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make eye contact with the driver.
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try to get their vehicle to the side of the road.
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48.
______ is responsible for the safe operation of a vehicle.
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The driver
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The supervisor
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The mechanic
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The vehicle owner
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49.
Air tank drains:
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protect the tanks and the rest of the system from too much pressure.
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should not be used in wet weather.
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are used to move air to the brakes.
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are used to remove water and oil from the air tanks.
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50.
When backing, you should:
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back and turn toward the right side whenever possible.
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use the mirrors on both sides.
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only use mirror on the driver's side.
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back quickly.
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