NY CDL COMBINATION TEST - PRACTICE TEST
11.
After a tire has been changed, you should:
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decrease tire pressure.
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deflate the tire to 15 psi.
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wait at least 30 minutes before driving.
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stop a short while later and check that the nuts are tight.
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12.
You are driving a combination vehicle and must use your brakes to avoid a crash. You should:
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use the parking brake.
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brake lightly and hold the steering wheel firmly.
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push the brake pedal as hard as you can and hold it there.
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use stab braking or controlled braking.
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13.
Before starting down a hill, you should:
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look for an escape route.
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apply the brakes hard.
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slow down and shift to a lower gear.
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release the accelerator and shift to Neutral at the same time.
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14.
As part of the final air brake check, you should:
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Test low pressure warning signal.
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Test air leakage rate.
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Check air compressor governor cut-in and cut-out pressure.
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All of the above.
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15.
Which of these is NOT part of the basic method for shifting up?
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Push in the clutch and shift to the higher gear at the same time.
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Release the accelerator, push in the clutch and shift to neutral at the same time.
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Release the clutch and press the accelerator at the same time.
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Accelerate while pressing the clutch and turn toward the driver's side.
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16.
Before connecting the converter dolly to the rear trailer, make sure that:
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the locking jaws rest on the kingpin.
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the trailer height is slightly lower than the center of the fifth-wheel.
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the shut-off valves at the rear of the first trailer are open.
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the kingpin rests on the fifth-wheel.
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17.
You should not use the trailer hand brake to straighten out a jackknifing trailer. Why?
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The brakes on the trailer wheels caused the skid in the first place.
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You should use the service break instead.
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You should use the emergency break instead.
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The brakes on the trailer wheels will not respond.
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18.
Loose cargo:
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could hurt or kill you during a quick stop.
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could fall off your vehicle and cause traffic problems.
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can be a danger to others and yourself.
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All of the above.
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19.
Empty trucks have the best braking. True or False?
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False.
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It depends on the cargo.
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True.
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It depends on the truck.
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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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disconnect the safety chains.
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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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