CDL GENERAL KNOWLEDGE TEST (WY) - PRACTICE TEST
11.
If the coolant container is not part of the pressurized system:
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you should remove the container cap and wait until the system has cooled.
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you can safely remove the cap and add coolant even when the engine is hot.
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you should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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None of the above.
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12.
If you are driving a 30 foot vehicle at 35 mph, you should leave at least _______ between your vehicle and the vehicle in front of you.
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3 seconds
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4 seconds
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2 seconds
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1 seconds
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13.
Most heavy-duty vehicles use:
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triple air brake systems.
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pump-the-brake systems.
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dual air brake systems.
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single air brake systems.
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14.
Which of the following can cause front-wheel skid?
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Driving too fast for conditions.
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Lack of tread on the front tires.
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Cargo loaded so not enough weight is on the front axle.
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All of the above.
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15.
When transporting cargo, drivers:
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must inspect the securement of the cargo within the first 50 miles of a trip.
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must inspect the securement of the cargo within the first 150 miles of a trip.
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should not inspect the cargo within the first 50 miles of a trip.
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should inspect the securement of the cargo only if they see problems that could cause a crash.
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16.
If confronted by an aggressive driver, you should:
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make gestures.
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try to stay in front of them.
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ignore gestures
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react to gestures.
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17.
You must have at least _____ inch tread depth in every major groove on front tires.
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6/32
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3/32
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2/32
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4/32
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18.
In newer vehicles with air brakes, you put on the parking brake:
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moving the orange push-pull lever to the right.
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placing the transmission in Park.
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using a P-shaped, yellow control knob.
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using a diamond-shaped, yellow, push-pull control knob.
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19.
Class 1 hazardous materials include:
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Explosives
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Flammable liquids
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Radioactive materials
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Flammable solids
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20.
Most heavy trucks with manual transmissions require ____ to change gears.
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double clutching
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single clutching
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triple clutching
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None of the above.
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