IN CDL Practice Test - General Knowledge
41.
Obstacles on the roadway that appear to the harmless:
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never contain material capable of causing damage.
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can be dangerous.
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should be driven over.
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None of the above.
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42.
Which of these is true about fire extinguishers?
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The fire extinguisher must be properly charged and rated.
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You must study the instructions printed on the extinguisher before you need it.
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Check that the extinguisher is the correct type for the class of fire that may occur.
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All of the above.
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43.
Which of the following is true about high beams?
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High beams should be used when it is safe and legal to do so.
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Using them seriously cuts down on your ability to see ahead.
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They should be used only if low beams suddenly stop working.
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You should use them when you are not within 50 feet of an approaching vehicle.
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44.
When drivers make a turn they should:
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look behind the vehicle.
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look in the direction they are going to turn.
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look far ahead.
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look in the opposite direction of the turn.
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45.
With low beams, drivers can see ahead about:
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100 feet
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15 feet
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250 feet
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150 feet
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46.
When the road is slippery, you should:
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apply the brakes, then let the wheels turn freely.
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slightly increase your speed to reach the next stop.
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release the accelerator and push in the clutch.
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reduce your speed.
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47.
Before loading or unloading any flammable liquids, you should:
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turn on the headlights.
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turn off the engine.
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light up a cigarette.
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start the engine.
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48.
Placards must be:
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in a diamond shape.
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turned upright on a point.
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readable from all 4 directions.
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All of the above.
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49.
To prevent fire, during the en route inspection you should check the tires, wheels, and truck body for signs of:
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a fire extinguisher.
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heat.
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ice.
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front-wheel skids.
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50.
Your total stopping distance consists of __________ plus reaction distance plus braking distance.
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passing distance
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partial stopping distance
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following distance
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perception distance
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