CDL PRACTICE TEST - GENERAL KNOWLEDGE (ALABAMA)
41.
When driving, you should:
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avoid using your mirrors to spot overtaking vehicles.
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check your mirrors regularly.
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use your mirrors only when changing lanes.
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avoid checking your mirros often.
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42.
When driving on slippery surfaces, a lack of spray from other vehicles indicates that:
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ice has formed on the road.
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there is no ice on the road surface.
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the road hasn't started to ice up yet.
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the pavement is dry.
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43.
A vehicle inspection should be done in the same order each time:
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so you are less likely to forget something.
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because it's much quicker.
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because the report must be written in that order.
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because it is required by law.
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44.
If the vehicle ahead of you is smaller than yours:
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it will take the same amount of time to stop.
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it will usually take longer to stop.
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it can probably stop faster than you can.
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All of the above.
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45.
If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
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6 seconds
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5 seconds
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4 seconds
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3 seconds
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46.
Driving in very hot weather:
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can make it difficult to stay in your lane.
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should never be done.
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can increase tire pressure.
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can decrease oil pressure.
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47.
To test the service brake:
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shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
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gently try to pull forward with the trailer parking brake on, then release the brake.
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push the brake pedal firmly while going about 5 mph.
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push the brake pedal firmly while slowly moving backward.
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48.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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25 psi
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75 psi
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100 psi
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50 psi
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49.
If you are caught in strong winds, you should:
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speed up while keeping a strong grip on the steering wheel.
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immediately take your foot off the accelerator.
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keep a strong grip on the steering wheel and slow down or pull off the roadway.
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None of the above.
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50.
Transporting livestock requires special attention. Why?
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Because livestock can move around in a trailer.
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Because livestock can lean on curves.
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Because a rollover is more likely.
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All of the above.
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