CDL GENERAL KNOWLEDGE TEST (MO) - PRACTICE TEST
41.
To recognize when it's time to shift up to a higher gear, use:
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engine sounds and road signs.
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engine speed (rpm) and road signs.
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engine speed (rpm) and road speed (mph).
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42.
You should be especially alert for drunk drivers:
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in the morning.
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around shopping areas.
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late at night.
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43.
When checking the lights before driving:
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you should check them from inside the vehicle.
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you should turn off the engine.
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make sure the parking brake is not set.
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44.
What factors can cause brakes to fade?
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Slippery surfaces and shaded areas.
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Dirt roads and in unpaved yards.
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Excessive heat and brakes out of adjustment.
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45.
A cardboard box on the road:
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will never damage vehicle parts if driven over.
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may contain some solid material capable of causing damage.
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is likely to be empty and should not be considered a hazard.
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46.
If you feel drowsy, you should _______ before driving.
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exercise
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drink coffee
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sleep
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47.
You must have at least ________ tread depth in every major groove on front tires.
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4/32 inch
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1/2 inch
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1/16 inch
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48.
Which of the following statements about driving in very hot weather is true?
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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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As the temperature of the tire increases, the air pressure of a tire decreases.
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49.
Placards must be:
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readable from all 4 directions.
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in a diamond shape.
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All of the above.
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50.
Blocking and bracing are:
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driving techniques used to regain control when your drive wheels start to skid.
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used to keep cargo from sliding and to prevent movement of cargo.
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coupling devices used to connect the service air lines from the truck or tractor to the trailer.
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