MS CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
41.
Before driving a vehicle with a dual brake brake system, the driver should:
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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pump the brake pedal 10 times to build pressure.
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wait at least 10 minutes before driving.
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wait at least 5 minutes before driving.
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42.
How can you tell if your vehicle is equipped with anti-lock braking system (ABS)?
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Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
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Look for yellow ABS malfunction lamps on the instrument panel.
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Trailers will have yellow ABS malfunction lamps on the left side.
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All of the above.
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43.
The center of gravity of a trailer should be:
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at the front of the trailer.
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as low as possible.
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as high as possible.
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at the rear of the trailer.
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44.
_________ is the distance it takes to stop in ideal conditions once the brakes are applied.
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Safe following distance
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Perception distance
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Braking distance
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Stopping distance
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45.
You should signal your intention to turn at least ____ before turning or changing lanes.
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100 feet
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75 feet
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250 feet
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50 feet
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46.
Empty trucks have _________ heavily loaded trucks.
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less traction than
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the same traction as
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half the traction than
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more traction than
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47.
Nitric acid should:
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piled up high with heavy cargo on top.
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loaded above other products.
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not be loaded above any other product.
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stacked to the ceiling.
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48.
Which of these statements is NOT true?
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The liver can only process ⅓ an ounce of alcohol per hour.
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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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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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49.
If the road is icy, you should:
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put the transmission in neutral and stay off the brake until the vehicle has slowed down, then pull off the road and stop.
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maintain your current speed and stop driving as soon as you can safely do so.
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reduce speed to a crawl and stop driving as soon as you can safely do so.
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All of the above.
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50.
Which of the following statements about accelerating is TRUE?
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When traction is poor, you should avoid speeding up gradually.
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If the drive wheels begin to spin, speed up to regain traction.
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Rough acceleration can cause mechanical damage.
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All of the above.
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