CDL PRACTICE TEST (LA) - GENERAL KNOWLEDGE TEST
11.
Which of the following trailers can get stuck on raised crossings?
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Lowboy
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Moving van
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Car carrier
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All of the above.
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12.
Anti-lock brakes:
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reduce the perception distance.
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increase your stopping distance.
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keep your brakes from locking up when you brake hard.
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help you stop faster.
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13.
To prevent getting sleepy while driving, you should:
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drive alone whenever possible.
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keep cool by opening the window.
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close the vent.
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keep the cab warm.
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14.
Most heavy-duty vehicles use:
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dual air brake systems.
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pump-the-brake systems.
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single air brake systems.
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triple air brake systems.
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15.
Before each trip, you must make sure the truck is not overloaded and the cargo is balanced and secured properly. Hard steering can be caused by:
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too much weight on the steering axles.
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under loaded front axles.
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high center of gravity.
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too little weight on the driving axles.
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16.
You should review the pre-trip inspection report from the last driver:
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It doesn't have to be reviewed.
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after each trip.
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once a week.
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during your pre-trip inspection.
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17.
When your drive wheels have poor traction, retarders:
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will apply the spring brakes.
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will help you regain traction.
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will stop working.
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can cause your wheels to skid.
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18.
What should you do if your brakes fail while driving downhill, and no escape ramp is available?
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wait until you can find an escape ramp.
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call for assistance before you get out of your vehicle.
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take the least hazardous escape route you can - and make the move as soon as possible.
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use your parking brake to stop.
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19.
When using a fire extinguisher, you should stay:
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at least 10 feet away from the fire.
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as close to the fire as possible, without getting burnt.
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at whatever distance you think is safe.
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as far away from the fire as possible.
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20.
It is important to shift gears correctly to keep:
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the engine warm.
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control of the vehicle.
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the engine oil flowing.
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the engine cool.
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