CDL TANKER PRACTICE TEST MARYLAND
11.
Older trailers do not have spring brakes. If the air supply leaks away:
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the ABS won't work properly.
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the trailer will stop normally.
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there will be no emergency brakes.
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All of the above.
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12.
Before driving a tank, you should:
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make sure manhole covers have gaskets and they close correctly.
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check the tank's body for dents.
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check the intake, discharge, and cut-off valves.
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All of the above.
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13.
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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14.
How many drinks per hour can be handled by the liver?
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About 2 drinks per hour.
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About 3 drinks per hour.
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About 4 drinks per hour.
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About 1 drink per hour.
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15.
Forward-and-back liquid surge is very strong in:
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unbaffled tanks.
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baffled tanks.
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dry tanks.
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All of the above.
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16.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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increase your speed to approximately 45 mph, and then apply release the brakes.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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maintain your current speed, and apply the brakes when you reach 50 mph to gradually reduce your speed to 40 mph.
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17.
Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
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stop
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slow down and change lanes
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change direction
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sound their horn
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18.
Which of the following statements about drivers fixing an engine or changing a tire is true?
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They must park within 5 feet of the roadway.
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They often do not pay attention to roadway traffic.
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Roadway traffic is not a danger to them.
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They usually pay attention to the danger roadway traffic is to them.
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19.
To avoid a crash:
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swerving is always the worst thing to do.
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stopping is always the safest thing to do.
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stopping is not always the best thing to do.
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None of the above.
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20.
Overloading can have bad effects on all of the following except:
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Braking
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Exhaust system
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Steering
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Speed control
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