LA CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
The vehicle inspection report:
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ensures that vehicle inspections are conducted regularly.
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tells the motor carrier about problems that may need fixing.
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ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
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tells the shipper how to package the materials.
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12.
When is use of a drug given to a driver by a doctor permitted?
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Only if the doctor informs the driver that the drug won't affect safe driving ability.
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Only if it's an over the counter drug.
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Never.
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Only if it's a prescription drug.
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13.
If a vehicle is equipped with ABS, when you start the engine:
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the ABS indicator light on the dash should come on and then turn off.
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the trailer emergency brakes will come on.
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the wheels will lock up.
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the spring brakes will come on.
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14.
In cool weather, as the temperature rises to the point where ice begins to melt:
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black will makes the road look wet.
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the road will become more slippery.
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traction will increase.
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it is safe to drive.
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15.
Weight that is loaded so there is a high center of gravity:
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causes greater chance of rollover.
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makes a vehicle easier to handle.
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reduces the chance that the load will shift to the side or fall off.
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All of the above.
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16.
Which of the following is NOT one of the four basic skills required to operate a commercial motor vehicle?
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Accelerating
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Backing safely
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Steering
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First-aid certification
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17.
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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18.
Which of the following is NOT a reason for hydraulic brake failure?
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Loss of hydraulic pressure
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Stab braking
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Brake fade on long hills
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All of the above.
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19.
The steering wheel should:
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be held firmly with the right hand.
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be held firmly with the left hand.
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be held with one hand at a time.
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be held firmly with both hands.
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20.
Confused drivers can be very hazardous. Clues to confusion include:
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driving very slowly.
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stopping in the middle of an intersection.
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changing direction suddenly.
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All of the above.
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