OR CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
Empty trucks:
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have less traction.
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are higher than loaded trucks.
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require greater stopping distances.
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All of the above.
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42.
When making a turn, you should cancel your turn signal:
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once the rear end of your cab has cleared the turn.
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once you have completed the turn.
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once you have begun the turn.
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once more than half of your vehicle is round the turn.
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43.
Which of these should make you reject a vehicle until it is rectified?
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Tires with different tread patterns
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Tires from different manufacturers
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Tires of different sizes
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All of the above.
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44.
To prevent fatigue during long trips you should:
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take a cold shower.
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take frequent breaks.
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rely on caffeine.
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All of the above.
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45.
To test the stopping action of your service brakes, go about:
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15 mph.
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50 mph.
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25 mph.
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5 mph.
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46.
When going down a hill, you should downshift:
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after starting down a hill.
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at the bottom of the hill.
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before you start going downhill.
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as you go downhill.
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47.
When driving, do NOT:
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put your turn signal on before changing lanes.
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try to help out other drivers by signaling when it is safe to pass.
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assume that vehicles, pedestrians or bicyclists see you whenever you are about to pass them.
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warn the drivers behind by flashing your brake lights if you see a hazard that will require slowing down.
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48.
The steering wheel should:
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be held with one hand at a time.
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be held firmly with the left hand.
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be held firmly with both hands.
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be held firmly with the right hand.
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49.
The use of brakes on a steep downgrade is:
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much more effective than the engine braking effect.
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the main braking factor.
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a supplement to the braking effect of the engine.
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dangerous, and should be avoided at all costs.
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50.
Which of these can impair your vision and judgment, make you drowsy or otherwise affect safe driving ability?
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Alcoholic drinks
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Some over-the-counter drugs
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Some prescription drugs
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All of the above.
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