CO CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
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Your schedule
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Road conditions
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Weather
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Steepness of the grade
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42.
When inspecting the cargo, make sure it is:
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not overloaded.
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piled up.
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secured properly for the first 50 miles after beginning a trip.
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All of the above.
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43.
Which of the following can cause vehicle fires?
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Improper fueling
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Short circuits and loose connections
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Improperly sealed cargo
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All of the above.
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44.
While driving, you should use your mirrors to:
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know where other vehicles are around you.
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check the condition of the tires and cargo.
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check where the rear of your vehicle is while you make turns.
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All of the above.
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45.
_________ are used on many vehicles to provide extra gears.
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Retarders and multi-speed rear axles
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None of the other answers is correct.
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Auxiliary transmissions and power steering cylinders
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Multi-speed rear axles and auxiliary transmissions
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46.
To apply the parking brakes:
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push the brake pedal three times.
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place the parking brake control knob in Neutral.
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push the parking brake control knob in.
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pull the parking brake control knob out.
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47.
When you are driving in heavy traffic, the safest thing to do is to:
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drive 10 mph below the speed limit.
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drive at the posted speed limit.
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drive at the speed of other traffic (without going at an illegal or unsafe speed).
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drive 10 mph below the speed of other traffic.
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48.
If you perform the skills test in a vehicle that is not equipped with air brakes:
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you will be restricted from operating vehicles with air brakes.
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you will be required to operate a CMV without hydraulic brakes.
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you will be required to take the tank vehicle test.
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you will be required to operate vehicles with air brakes.
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49.
When approaching a vehicle as part of a pre-trip inspection, the driver should look under the vehicle for all of the following except:
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Windshield wiper fluid
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Fresh oil
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Grease
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Coolant
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50.
During a trip you should check:
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temperature gauges.
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mirrors.
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pressure gauges.
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All of the above.
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