GENERAL KNOWLEDGE CDL TEST NEW YORK - PRACTICE TEST
11.
To test the parking brake:
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turn off the engine.
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check that all shut-off valves are in the open position.
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step on and off the brake pedal to reduce air pressure.
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gently try to pull forward with the parking brake on.
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12.
In a vehicle with a dual air brake system:
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both systems typically operate the regular brakes on the rear axle.
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each system has its own air tanks.
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one system supplies air to the trailer.
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All of the above.
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13.
Why should you complete an after-trip inspection report?
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To prove that you finished your trip.
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To help the motor carrier know when the vehicle needs repairs.
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So you won't be held responsible for any subsequent damage.
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All of the above.
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14.
The tractor protection valve:
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keeps air in the brake system should the trailer develop a bad leak.
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keeps your wheels from locking up when you brake hard.
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prevents the trailer from being accidentally released.
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keeps air from going out if the air compressor develops a leak.
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15.
Hydroplaning occurs when:
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tires lose traction.
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tire pressure is high.
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you push in the clutch to let the drive wheels turn freely.
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you release the accelerator too soon.
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16.
The distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it, is called:
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Stopping distance
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Perception distance
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Braking distance
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Reaction distance
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17.
Texting is:
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the most dangerous distraction.
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safer than talking on a cell phone.
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safer than engaging in conversation with a passenger.
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about as safe as adjusting the radio.
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18.
Loads that are over-length, over-width and/or overweight:
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may require special equipment such as “wide load” signs, flags and flashing lights.
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require special transit permits.
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may require a police escort.
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All of the above.
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19.
How many reflective triangles/emergency reflectors should you carry?
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1
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3
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4
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2
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20.
The most important hand signal you should agree on with a helper is:
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Go
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Slowly
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Keep backing
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Stop
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