CDL COMBINATION PRACTICE TEST FLORIDA
11.
What are the two basic reasons for covering cargo?
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To protect the cargo from pilferage and from weather.
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To protect people from spilled cargo and the cargo from weather.
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To protect people from spilled cargo and the cargo from pilferage.
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To protect the cargo from weather and to avoid littering.
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12.
When more cargo is piled up in a truck, the center of gravity moves:
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to the left side of the truck.
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closer to the ground.
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higher up from the road.
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to the right side of the truck.
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13.
Do NOT use the parking brakes:
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when you park for less than two hours.
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if the brakes are very hot.
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to test that they work.
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when you leave your vehicle.
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14.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
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50; 150
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50; 250
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150; 250
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100; 150
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15.
When you get ready to back under the semi-trailer, you should:
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line up about 15 degrees off the line of the trailer.
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line up the kingpin to engage the driver's side locking jaw first.
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back under the trailer at an angle to avoid pushing the trailer sideways.
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line up directly in front of the trailer.
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16.
Weight that is loaded so there is a high center of gravity:
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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reduces the chance that the load will shift to the side or fall off.
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All of the above.
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17.
A red triangle with an orange center means:
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Liquid tanker
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Law enforcement vehicle
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Slow-moving vehicle
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The vehicle is hauling hazardous materials
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18.
At passive railroad crossings, even if there are active railroad signals that indicate the tracks are clear, you must _________ to be sure it is safe to proceed.
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listen, look and stop
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go, look and put the transmission in neutral
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go, stop and listen
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stop, look, and listen
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19.
When you are uncoupling a loaded trailer, lower the landing gear until:
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makes contact with the ground, and leave the trailer off the fifth wheel.
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it makes firm contact with the ground.
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the tractor frame is under the trailer.
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the pressure in the system is above 55 psi.
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20.
You should test the coupling by:
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pulling against the pin of the second semitrailer.
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applying the parking brakes so the rig will not move.
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locking the pintle hook.
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disconnect the safety chains.
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