CDL PRACTICE TEST - GENERAL KNOWLEDGE (WYOMING)
11.
To test your parking brake, do the following:
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Set the parking brake, and gently pull against it in a low gear.
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Speed up to 15 mph, then set the parking brake.
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Speed up to 5 mph, then set the parking brake.
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Set the parking brake while going downhill.
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12.
When driving on slippery surfaces, a lack of spray from other vehicles indicates that:
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ice has formed on the road.
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the road hasn't started to ice up yet.
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the pavement is dry.
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there is no ice on the road surface.
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13.
When approaching a double railroad track, you should:
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rely upon the presence of warning signals.
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remember that a train on one track may hide a train on the other track.
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remember that trains may be more frequent.
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expect to hear a train when it's approaching.
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14.
During the pre-trip vehicle inspection test, when examining hoses with the examiner, look for:
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spare electrical fuses.
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the temperature gauge.
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puddles on the ground.
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frays in the water pump belt.
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15.
When should you downshift automatic transmissions?
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When going around curves
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When you use the brake pedal
during normal driving
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When going down grades
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When going up steep grades
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16.
Rust around wheel nuts may mean:
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the nuts are loose.
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the weather is wet.
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the nuts are too tight.
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the wheels or rims have had welding repairs.
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17.
Suspension systems:
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specify the loaded weight of a single vehicle.
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have a minimum weight rating.
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have a weight capacity rating.
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are rated for the maximum weight the vehicle can pull.
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18.
The air storage tanks:
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are connected to the engine through gears or a v-belt.
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stop the compressor from pumping air.
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protects the tank and the rest of the system from too much pressure.
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are used to hold compressed air.
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19.
What factors can cause brakes to fade?
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Excessive heat and brakes out of adjustment.
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Gravel and tar.
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Dirt roads and in unpaved yards.
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Slippery surfaces and shaded areas.
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20.
When inspecting your vehicle, before checking the engine compartment be sure that:
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the fire extinguisher is properly charged and rated.
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the parking brakes are on and/or wheels chocked.
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all tires are properly inflated.
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all lights are working.
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