KANSAS CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
If there is a sign indicating "Maximum Safe Speed", you should:
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consider it as a suggestion.
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travel at the posted speed.
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never exceed the speed shown.
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know that it doesn't apply to vehicles weighing more than 26,000 pounds.
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12.
You must use ________ as the principal way of controlling your speed on downgrades.
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the brake pedal
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the braking effect of the engine
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"Maximum Safe Speed"
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controlled braking
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13.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
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pump the brakes until the vehicle has slowed down.
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hold the steering wheel firmly and stay off the brake.
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brake hard and pull off the road.
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check your rearview mirrors to see if you have a flat tire.
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14.
When water collects on the road. your vehicle can:
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stop suddenly.
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hydroplane.
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accelerate.
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None of the above.
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15.
The tractor protection valve:
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prevents the trailer from being accidentally released.
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keeps your wheels from locking up when you brake hard.
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keeps air in the brake system should the trailer develop a bad leak.
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keeps air from going out if the air compressor develops a leak.
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16.
If your vehicle begins to hydroplane, you should:
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release the accelerator and push in the clutch.
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brake gently to slow down.
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accelerate slightly.
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immediately pull off the road.
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17.
Name 2 causes of tire fires.
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Loose connections and poor ventilation.
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Under-inflated tires and duals that touch.
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Over-inflated tires and duals that touch.
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Driver smoking and bleeding tar.
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18.
No matter how small the cargo is, it should have at least:
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4 tie-downs.
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2 tie-downs.
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1 tie-down.
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6 tie-downs.
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19.
When driving in very hot weather you should inspect your tires regularly. Why?
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Air pressure increases with temperature.
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Hydroplaning is more likely if tire pressure is low.
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The minimum tread depth may vary.
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All of the above.
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20.
When the temperature drops, which of the following surfaces will become icy first?
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Off-ramps
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Bridges
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Underpasses
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Curves
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