CDL PASSENGER PRACTICE TEST WYOMING
11.
After an accident, an improper use of flares could cause:
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air pressure to build from 50 to 100 psi within 2 minutes.
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the springs to put on the brakes.
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the vehicle to slide back and forth.
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a fire if spilled fuel is on the ground.
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12.
Antifreeze:
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helps the engine only under hot conditions.
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helps the engine under hot conditions as well as cold conditions.
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doesn't help the engine in any way.
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helps the engine only when the temperature is below freezing.
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13.
After unloading at the school, you should walk through the bus to:
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release the parking brake.
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make sure no students are returning to the bus.
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close the door.
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to check for items left by students and hiding or sleeping students.
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14.
If you are driving a school bus, the 4-way emergency flashers should:
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be used only when a train is approaching.
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be activated before crossing railroad tracks.
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be activated after crossing railroad tracks.
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never be used.
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15.
Air storage tanks:
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hold compressed air for the brakes.
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are installed in the first tank the air compressor pumps air to.
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use parts of the service brake systems to stop the vehicle in a brake system failure.
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pump air into the air storage tanks.
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16.
When you leave your vehicle you should:
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release the parking brake.
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apply the service brake.
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leave the key in the ignition.
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None of the above.
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17.
When checking the engine compartment in a vehicle inspection, you should check all of the following except:
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Coolant level in radiator
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Windshield washer fluid level
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Spring hangers
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Engine oil level
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18.
When approaching a vehicle for a pre-trip inspection, you should:
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look under the vehicle for fuel leaks, fresh oil, coolant or grease.
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make sure the parking brake is on.
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look under the vehicle for hazards to vehicle movement.
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start the engine and listen for unusual noises.
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19.
The minimum number of mirrors a registered vehicle must have is:
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4
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3
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1
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2
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20.
Right after it starts to rain, the road is very slippery. Why?
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Because black ice may form on the road.
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Because rain is very slippery.
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Because the water mixes with oil left on the road by vehicles.
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None of the above.
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