NEW YORK CDL COMBINATION PRACTICE TEST
11.
You are checking the tractor-trailer connection to make sure it is safe and secure. The landing gear should be:
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fully lowered.
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raised slightly off the ground.
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fully raised.
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None of the above.
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12.
The first thing to do when coupling a tractor-semitrailer is to:
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check the trailer height.
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inspect the fifth wheel.
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position the tractor.
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lock the trailer brakes.
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13.
Broken suspension parts can be very dangerous. When inspecting your vehicle for suspension system defects, look for:
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Broken leaves in a multi-leaf spring.
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Damaged air suspension systems.
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Spring hangers that allow movement of axle from proper position.
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All of the above.
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14.
In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. If you wish to change lanes, you should:
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ease into the other lane slowly so the other car can get out of the way.
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assume the car left the roadway and change lanes as normal.
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wait until you are sure the car isn't in your blind spot.
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None of the above.
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15.
Which of the following is NOT part of testing the trailer service brakes?
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Releasing the parking brakes.
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Checking for normal air pressure.
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Pushing in the trailer air supply knob.
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Moving the vehicle forward slowly.
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16.
You are coupling a semi-trailer to your tractor but have not yet backed under. The trailer is at the right height when:
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the locking jaws are around the head of the kingpin.
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the end of the kingpin is even with the top of the fifth wheel.
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it will be raised slightly when the tractor is backed under it.
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None of the above.
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17.
If your trucks has a high center of gravity, which of the following is true for curves?
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You should travel at the posted speed limit.
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Reduce your speed to a crawl.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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None of the above.
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18.
Combination vehicles usually:
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are easier to drive than single than single CMVs.
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are shorter than single than single CMVs.
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require more driving skill than single CMVs.
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All of the above.
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19.
When checking the lights before driving:
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the engine must be running.
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make sure the parking brake is not set.
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you should turn off the engine.
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you should check them from inside the vehicle.
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20.
When backing a tractor under a trailer:
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the trailer will be lifted slightly when the tractor backs under it.
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the fifth-wheel will come out from under the trailer.
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you should lift the
trailer off the fifth-wheel.
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the end of the kingpin will be even with the top of the fifth wheel.
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