TN CDL COMBINATION TEST - PRACTICE TEST
11.
If you must drive slowly, how should you alert following drivers?
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Use your emergency flashers if it is legal
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Flash your brake lights
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Help them out by signaling when it is safe to pass
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Turn on your taillights
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12.
The heavier the vehicle:
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the higher the center of gravity will be.
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the more work the brakes must do to stop it.
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the less work the brakes must do to stop it.
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None of the above.
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13.
A burning tire must be:
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covered with cloth.
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cooled with water.
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immediately removed from the vehicle.
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None of the above.
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14.
Where are shut-off valves?
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At the front and back of each trailer.
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On converter dollies.
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At the back of each trailer.
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At the front of each trailer.
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15.
The two most important things that a driver can do to prevent a rollover when driving a combination vehicle are:
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Driving slowly around turns and keeping the cargo as close to the ground as possible
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Keeping cargo near the ground and driving slowly on the highway
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Keeping cargo near center of vehicle and driving slowly on the highway
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Keeping cargo near the center of the vehicle and driving slowly on turns
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16.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
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centered and spread out as much as possible.
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to one side and as close to the ground as possible.
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piled up high with heavy cargo on top.
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loaded so there is a high center of gravity.
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17.
To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
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1 second; 10 feet
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1 second; 5 feet
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2 seconds; 10 feet
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3 seconds; 50 feet
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18.
When checking your tires during a pre-trip inspection, which of the following is acceptable?
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Cracks in the tires
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Tires made by different manufacturers
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Mismatched sizes
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Dual tires that come in contact with parts of the vehicle
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19.
When the wheels of a trailer lock up:
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the vehicle will gradually come to a complete stop.
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the trailer will tend to swing around.
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ABS will increase stopping power.
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All of the above.
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20.
Overloading can have negative effects on:
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steering.
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speed control.
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braking.
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All of the above.
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