CDL PASSENGER PRACTICE TEST NORTH DAKOTA
11.
At drawbridges that do not have a signal light or traffic control attendant, you must stop at least _______ before the draw of the bridge.
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50 feet
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15 feet
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30 feet
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75 feet
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12.
Air brakes use ________ to make the brakes work.
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compressed gas cylinders
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compressed air
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compressed gases
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compressed oil
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13.
After starting the engine, the ABS light stays on. This means:
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the ABS is not working properly.
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the ABS is in Neutral.
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the ABS oil level is not adequate.
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the ABS is working properly.
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14.
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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15.
Which of the following statements about speed management and braking is true?
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The total stopping distance of a bus is the distance your vehicle will travel, in ideal conditions, while you are braking.
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Driving below the posted speed limit will always allow you to stop safely.
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Stopping time increases by one second for each 10 mph over 30 mph.
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None of the above.
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16.
When you discharge a drunk or disruptive rider, you must:
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call 911 if you have to discharge the rider in an unsafe place.
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put the rider off the bus as soon as possible.
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go back to the previous stop and make sure it is a well-lit area.
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ensure the rider's safety.
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17.
If coolant has to be added to a system without a recovery tank, you should:
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keep the engine running while adding coolant.
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turn the radiator cap quickly to the first stop.
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never use thick cloth to touch the radiator cap.
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wait until the engine has cooled before adding coolant.
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18.
Watch out for black ice:
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right after it starts to rain.
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when the temperature is above freezing and the road is dry.
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when it is snowing.
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any time the temperature is below freezing and the road looks wet.
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19.
After an accident, an improper use of flares could cause:
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the springs to put on the brakes.
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the vehicle to slide back and forth.
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air pressure to build from 50 to 100 psi within 2 minutes.
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a fire if spilled fuel is on the ground.
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20.
Rollovers happen when drivers:
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brake too hard.
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stop too often.
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turn too slowly.
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turn too fast.
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