IL CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
11.
During a walk around inspection, which of the following should you check?
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Condition of the front axle.
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Condition of wheel and rim.
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Shock absorber condition.
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All of the above.
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12.
When driving in hot weather:
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the the tires' air pressure will decrease.
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antifreeze should be avoided.
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the engine oil helps keep the engine cool, as well as lubricate it.
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None of the above.
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13.
Most heavy trucks with manual transmissions require ____ to change gears.
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single clutching
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double clutching
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triple clutching
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None of the above.
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14.
Signaling well before you turn is the best way to:
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let pedestrians know that you are about to make a turn.
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keep other drivers from trying to pass you.
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invite other drivers to get around you.
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let oncoming drivers know that you are about to make a turn.
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15.
When the temperature is below freezing, which of the following areas may be slippery?
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Wet roads
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Shaded areas
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Bridges
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All of the above.
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16.
Hydroplaning occurs when:
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tires lose traction.
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you push in the clutch to let the drive wheels turn freely.
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tire pressure is high.
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you release the accelerator too soon.
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17.
Which of the following is NOT a common cause of vehicle fires?
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Broken fuel pipe
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Under-inflated tires
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Headlights out of adjustment
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Flammable cargo
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18.
Hanging meat in a refrigerated truck can be:
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a very unstable load with a low center of gravity.
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a very unstable load with a high center of gravity.
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a very stable load with a low center of gravity.
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a very stable load if properly distributed.
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19.
When starting your vehicle, oil pressure should come up to normal:
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in about a minute.
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within seconds.
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in about two minutes.
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within 5 minutes of driving.
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20.
Commercial motor vehicles:
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are only required to have a fire extinguisher when transporting hazardous materials.
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should have a properly charged and rated fire extinguisher and other emergency equipment.
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are not required to have a fire extinguisher if they already have reflective warning triangles and other emergency equipment.
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None of the above.
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