MT CDL COMBINATION TEST - PRACTICE TEST
11.
To reduce the chance of rollover, you should:
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place the cargo as high as possible inside the trailer.
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put the lightest parts of the cargo under the heaviest parts.
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distributed the cargo as low as possible inside the trailer.
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None of the above.
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12.
The proper following distance for a 60-foot vehicle traveling at 50 mph is:
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4 seconds
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7 seconds
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6 seconds
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8 seconds
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13.
When you are uncoupling a loaded trailer, lower the landing gear until:
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the pressure in the system is above 55 psi.
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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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makes contact with the ground, and leave the trailer off the fifth wheel.
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14.
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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2 seconds; 10 feet
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1 second; 5 feet
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1 second; 10 feet
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3 seconds; 50 feet
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15.
Which of the following is NOT a step in backing up with a trailer?
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Looking at your line of travel before you begin
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Backing slowly
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Backing quickly when the path is straight
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Checking the outside mirrors on both sides frequently
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16.
What is the proper following distance for a 50 foot truck traveling at 50 mph?
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6 seconds
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25 seconds
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10 seconds
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5 seconds
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17.
The trailer hand valve should:
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never be used for parking.
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never be used to test the trailer brakes.
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be used in driving.
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All of the above.
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18.
The parking brake:
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should be used when you need to apply the brakes firmly.
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should be used when driving in bad weather.
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should be used whenever you park.
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All of the above.
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19.
During a walk around inspection of a combination vehicle, drivers should check that:
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all locking pins are present and locked in place.
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the locking jaws are around the shank.
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the glide plate is securely mounted to the trailer frame.
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All of the above.
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20.
For a cargo fire in a box trailer, you should:
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use the fire extinguisher on the doors.
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keep the doors shut.
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open the doors immediately and use the fire extinguisher.
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wait 10 minutes before opening the doors.
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