GENERAL KNOWLEDGE CDL TEST MONTANA - PRACTICE TEST
11.
When should you be particularly careful about high winds?
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When going downhill
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When driving in winter
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When emerging from a tunnel
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When driving at night
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12.
Without engine oil:
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the ABS won't work.
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traction will be reduced.
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the engine can be destroyed rapidly.
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exhaust emissions will be reduced.
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13.
Confused drivers can be very hazardous. Clues to confusion include:
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driving very slowly.
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changing direction suddenly.
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stopping in the middle of an intersection.
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All of the above.
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14.
If you perform the skills test in a vehicle that is not equipped with air brakes:
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you will be restricted from operating vehicles with air brakes.
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you will be required to operate vehicles with air brakes.
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you will be required to take the tank vehicle test.
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you will be required to operate a CMV without hydraulic brakes.
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15.
To correct a drive-wheel skid, you should NOT:
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Stop braking.
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Steer into the skid.
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Push in the clutch.
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Countersteer.
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16.
When a vehicle is hydroplaning:
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your brakes won't work.
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the tires lose their contact with the road.
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the spray from large trucks reduces visibility.
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the clutch is stuck.
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17.
Air brakes:
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should be used only when driving on wet roads.
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are prohibited on larger vehicles.
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are an effective way to stop large and heavy vehicles.
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can improve fuel efficiency.
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18.
To maintain alertness while driving, you should:
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avoid medications that cause drowsiness.
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have another person ride with you.
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avoid heavy foods.
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All of the above.
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19.
Empty trucks:
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require a greater stopping distance than full trucks.
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require a shorter stopping distance than full trucks.
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require the same stopping distance than full trucks.
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None of the above.
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20.
Which of these statements is NOT true?
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BAC measures the amount of alcohol in your body.
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Alcohol doesn't affects judgment and self-control.
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BAC is determined by the amount of alcohol you drink, how fast you drink, and your weight.
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The liver can only process ⅓ an ounce of alcohol per hour.
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