CDL GENERAL KNOWLEDGE TEST (OK) - PRACTICE TEST
41.
When more cargo is piled up in a truck, the center of gravity moves:
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to the left side of the truck.
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higher up from the road.
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closer to the ground.
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42.
The trailer hand valve should be used:
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only to test the trailer brakes.
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only when applying the brakes hard.
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only on slippery surfaces.
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43.
Which of the following does alcohol impair?
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Muscle coordination
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Depth perception
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All of the above.
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44.
When going down a long downgrade, the speed of your vehicle will likely:
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decrease.
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stay the same.
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increase.
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45.
The most important reason for doing a vehicle inspection is:
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Liability insurance
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Employer liability
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Safety
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46.
When is use of a drug given to a driver by a doctor permitted?
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Never.
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Only if it's a prescription drug.
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Only if the doctor informs the driver that the drug won't affect safe driving ability.
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47.
You need to pay special attention to the space below your vehicle:
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on dirt roads.
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on multi-lane roads.
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in school zones.
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48.
A hazard is:
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Something you can easily avoid.
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A dangerous material.
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Any road user or road condition that is a possible danger.
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49.
You should reject a vehicle until which of the following gets rectified?
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Faulty flashers
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Faulty headlights
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All of the above.
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50.
Before starting down a hill, you should slow down and shift down:
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to a speed that you can control without using the brakes hard.
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so you can coast downhill.
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to a gear that will cause your engine to exceed its redline.
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