CDL PRACTICE TEST (MD) - GENERAL KNOWLEDGE TEST
41.
When you take a break in the middle of your trip, you should check:
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missing exhaust pipes.
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gauges for signs of trouble.
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tires, brakes, lights and cargo securement devices.
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heater, defroster and windshield wiper blades.
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42.
Which of the following is a reason to cover cargo?
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To contain a spill
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To protect the cargo from weather
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To protect people from spilled cargo
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All of the above.
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43.
According to the manual, good drivers should look at least _________ ahead while driving.
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16 to 20 seconds
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5 to 10 seconds
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12 to 15 seconds
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3 to 5 seconds
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44.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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excessive downshifting.
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relying too much on the engine braking effect.
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driving in cold weather.
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loss of hydraulic pressure.
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45.
ABS will:
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increase your average speed.
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shorten your stopping distance.
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not change your normal braking capability.
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not give you more control over the vehicle during braking.
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46.
Hydroplaning is most likely to occur:
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when it's been raining for over an hour.
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right after it starts to rain.
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right before it starts to rain.
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at speeds below 30 mph.
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47.
You should always be able to stop within:
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100 feet.
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50 feet.
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the distance you can see ahead.
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25 feet.
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48.
The trailer hand valve should be used:
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only on slippery surfaces.
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only in an emergency.
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only to test the trailer brakes.
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only when applying the brakes hard.
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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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reduce speed to a crawl and stop driving as soon as you can safely do so.
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maintain your current speed and stop driving as soon as you can safely do so.
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All of the above.
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50.
Before operating the vehicle, the driver should:
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rely on the last vehicle inspection and skip the pre-trip inspection.
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review the last vehicle inspection report.
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should not review the vehicle inspection report and immediately try to find any vehicle defects.
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None of the above.
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