WI CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
Which of the following could cause poisonous carbon monoxide to enter the cab?
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Lack of engine oil
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Wrong type of fuel
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Lack of engine coolant
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Exhaust system leaks
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12.
The definition of Gross Vehicle Weight is:
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Axle weight + cargo weight
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Total weight of cargo
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Total weight of a single vehicle minus fuel
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Total weight of a single vehicle + cargo
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13.
Broken suspension parts can be very dangerous. When inspecting your vehicle for suspension system defects, look for:
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Broken leaves in a multi-leaf spring.
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Damaged air suspension systems.
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Spring hangers that allow movement of axle from proper position.
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All of the above.
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14.
Escape ramps:
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are designed to stop runaway vehicles safely.
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should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
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cannot be used by certain types of heavy vehicles.
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All of the above.
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15.
Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?
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Weather
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Time of day
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Total weight of the vehicle and cargo
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Length and steepness of grade
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16.
Texting while operating a commercial motor vehicle is:
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only allowed at night.
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acceptable if you are contacting your supervisor.
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illegal.
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acceptable if you are contacting your dispacther.
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17.
The spring brakes come on:
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when you bring the vehicle to a complete stop right away.
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when air pressure in both air brake systems rises to a value set by the manufacturer.
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when you lose ABS control.
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when main air pressure is lost.
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18.
Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
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stop
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sound their horn
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slow down and change lanes
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change direction
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19.
When shifting up, you should release accelerator, push in clutch and shift to neutral at the same time, and then?
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Shift up
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Push in the clutch again
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Press the accelerator
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Release the clutch
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20.
How many glasses of wine can you drink without increasing the chances of a crash?
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One.
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It depends on your age.
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None.
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It depends on your weight.
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