CDL GENERAL KNOWLEDGE TEST (OR) - PRACTICE TEST
41.
If you've been drinking alcohol, only ____ will sober you up.
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a cold shower
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time
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black coffee
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exercise
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42.
If your vehicle has manual transmission, to know when to shift up:
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you should release the accelerator, push in the clutch, and shift to neutral at the same time.
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you can watch your tachometer, and shift up when your engine reaches the top of the range.
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you must use mirrors on both sides.
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you should use a helper when you can.
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43.
Which of these statements is true?
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A tread depth of 2/32 of an inch is safe for steering axle tires.
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Tires of mismatched sizes can used on the same vehicle.
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Dual tires that come in contact with each other provide better traction.
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Radial and bias-ply tires should not be used together on the same vehicle.
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44.
_____ is a thin layer of ice that forms on road surfaces.
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White ice
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Blue ice
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Black ice
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Grey ice
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45.
Brake lag is:
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the distance your vehicle will continue to travel, in ideal conditions, before you hit the brakes.
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the time required for the air brakes to work after the brake pedal is pushed.
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the distance your vehicle will travel, in ideal conditions, while you are braking.
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the amount of air pressure required to stop the vehicle.
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46.
When steering to avoid a crash, you should:
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lock your wheels while turning.
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accelerate and steer at the same time.
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not turn any more than needed to clear the hazard.
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apply the brake while you are turning.
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47.
If your vehicle is equipped with a retarder, you should turn it off:
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when you need to accelerate suddenly.
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when you are running late.
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when you are driving in heavy traffic.
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whenever the road is wet, icy, or snow covered.
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48.
Which of the following is NOT checked in a pre-trip inspection?
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Cargo securement
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Brake controls
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The amount of fuel in the vehicle
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Safety equipment
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49.
Fatigue:
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can easily be prevented by drinking coffee.
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has little or no effect on driving.
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does not impair vision and judgment.
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increases the chance of an accident.
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50.
Which of the following statements about cargo needing special attention is true?
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Hanging meat in a refrigerated truck is a very stable load with a low center of gravity.
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Overweight loads do not require special transit permits during daylight hours.
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Dry bulk tanks require special care because they have a high center of gravity.
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All of the above.
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