GENERAL KNOWLEDGE CDL TEST NORTH DAKOTA - PRACTICE TEST
31.
Blood Alcohol Concentration (BAC) is determined by:
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the amount of alcohol you drink.
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how frequently you drink.
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the type of alcohol you drink.
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All of the above.
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32.
You should use your four-way emergency flashers:
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when parked at the side of the road.
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while crossing railroad tracks.
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when driving at night.
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None of the above.
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33.
Parking brakes are:
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not required on trailers.
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not required on commercial vehicles with air brakes.
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required on all vehicles.
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not required on buses.
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34.
If you smell exhaust fumes in the cab, you should:
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wait for the next stop, then inspect your vehicle.
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open the windows.
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remember to conduct a post-trip inspection.
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stop immediately.
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35.
During a pre-trip inspection, to check your lights you should:
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turn off the engine, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
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check the yellow malfunction lamps on the instrument panel.
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with the engine running, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
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with the engine running, put the vehicle in a forward gear and turn on the headlights.
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36.
Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?
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Time of day
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Length and steepness of grade
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Weather
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Total weight of the vehicle and cargo
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37.
If the coolant container is not part of the pressurized system:
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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 remove the container cap and wait until the system has cooled.
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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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38.
You must have at least ________ tread depth in every major groove on front tires.
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2/32 inch
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4/32 inch
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1/16 inch
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1/2 inch
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39.
If an aggressive driver confronts you, you should NOT:
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try to get out of their way.
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try to let them pass.
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ignore gestures.
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make eye contact.
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40.
In which of the following situations should you check your mirrors more often?
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When driving on a single lane road.
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While stopped at an intersection.
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When driving on a narrow road.
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When changing lanes or merging.
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