VEHICLE INSPECTION CDL TEST NEBRASKA
11.
What should you do to test your vehicle's low air pressure warning signal?
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Release the parking brake valve and the tractor protection valve and reduce the air pressure by stepping on and off the brake pedal.
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With the engine running, put the vehicle in a forward gear and attempt to drive forward.
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Pump the brakes until the air pressure drops below 80 psi.
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With the key in the "on" or "battery charge" position, rapidly apply and release the foot brake.
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12.
During the vehicle inspection, when asked to check the oil level you should:
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indicate where the dipstick is located.
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make sure the engine is off.
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see that the oil level is within safe operating range.
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All of the above.
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13.
You pump the brake pedal three times, then hold it down for five seconds, making sure that the pedal does not move. You are checking:
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the hydraulic brakes.
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the air brakes.
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the service brake.
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the parking brake.
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14.
Which of the following is checked in a pre-trip inspection?
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Steering wheel
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Wiper blades
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Mirrors and windshield
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All of the above.
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15.
A vehicle inspection should be done:
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once every month.
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differently each time, so you are less likely to forget something.
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by a helper whenever possible.
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the same way each time so you are less likely to forget something.
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16.
During the vehicle inspection test, after starting the engine the coolant temperature should:
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rise quickly.
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decrease gradually.
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decrease quickly.
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rise slowly.
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17.
Which of the following engages and disengages the engine from the drive train?
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The front axle
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The drive shaft
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The foot brake
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The clutch
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18.
During the pre-trip inspection, when starting the engine you should:
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check the coolant level in the radiator.
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fasten your safety belt.
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press the brake pedal.
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listen for unusual noises.
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19.
If loose or missing, _______ may cause movement between the frame and fifth wheel assembly.
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electric connectors
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safety chains
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mounting bolts
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locking pins
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20.
Which of the following is NOT checked in a pre-trip inspection?
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Brake controls
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The amount of fuel in the vehicle
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Cargo securement
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Safety equipment
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