WY CDL COMBINATION PRACTICE TEST
11.
Hanging meat in a refrigerated truck can be:
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a very unstable load with a high center of gravity.
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a very stable load with a low center of gravity.
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a very unstable load with a low center of gravity.
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a very stable load if properly distributed.
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12.
Weight that is loaded so there is a high center of gravity:
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reduces the chance that the load will shift to the side or fall off.
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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All of the above.
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13.
Where are shut-off valves?
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On converter dollies.
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At the front and back of each trailer.
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At the front of each trailer.
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At the back of each trailer.
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14.
Before leaving your vehicle unattended, you should:
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Apply the parking brake.
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Chock the wheels.
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Remove the keys.
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All of the above.
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15.
If your brakes get wet, it can cause them:
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to grab.
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to apply unevenly.
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to be weak.
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All of the above.
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16.
Overloading can have negative effects on:
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braking.
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speed control.
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steering.
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All of the above.
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17.
Before driving a vehicle with a dual air brake system, you should allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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50 psi
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35 psi
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100 psi
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150 psi
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18.
Under a pressurized system, the radiator cap:
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should never be removed until the system has cooled.
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should never be hot.
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should always be cool.
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should be removed when the coolant is hot.
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19.
Which of the following is NOT part of the procedure to raise the landing gear?
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Using the high range gear, if equipped, to begin raising the landing gear
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Raising the landing gear all the way up
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Safely securing the crank handle, after raising the landing gear
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Using the low range gear, if equipped, to begin raising the landing gear
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20.
To avoid rollovers, you should drive slowly:
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off ramps.
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around corners.
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on ramps.
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All of the above.
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