WYOMING CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
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2 seconds
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3 seconds
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5 seconds
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4 seconds
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12.
To use road speed to know when to switch gears you should:
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learn the operating rpm range of your vehicle.
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watch your tachometer, and shift up when your engine reaches the top of the range.
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use the posted speed limit as a guide.
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learn what speeds each gear is good for.
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13.
Confused drivers may:
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stop without warning.
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change direction suddenly.
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change lanes for no apparent reason.
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All of the above.
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14.
The size of motorcycles can cause you to misjudge their speed and distance. You should:
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use extra caution before you pull out in front of a motorcycle.
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check twice for motorcycles before pulling out into traffic.
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never share lanes with motorcycles.
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All of the above.
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15.
To keep your vehicle from rolling back when you start, you should:
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pump the brakes.
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partly engage the clutch before you take your foot off the brake.
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turn the engine off before you take your foot off the brake.
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apply the emergency brake whenever necessary.
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16.
If you become drowsy while driving, you should:
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take a break.
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open the windows to get some fresh air.
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try to fight it.
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drink plenty of coffee.
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17.
When driving a 50-foot truck at 40 mph, your minimum following distance should be:
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4 seconds
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5 seconds
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6 seconds
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8 seconds
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18.
Escape ramps:
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have been built to stop runaway vehicles on steep downgrades.
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are used to safely leave the highway.
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can only be used by trucks or passenger vehicles.
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All of the above.
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19.
During the after-trip inspection, if you notice anything affecting safety or potentially leading to a mechanical breakdown, you should:
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make a written report.
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tell the shipper to make a written report.
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try to fix the problem yourself.
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ask the motor carrier to make a written report.
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20.
As you approach a turn, do not coast unsafely. Unsafe coasting occurs when:
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you don't use turn signals before making a turn.
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you downshift before making a turn.
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your vehicle is out of gear for more than the length of your vehicle.
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you downshift for less than the length of your vehicle.
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