WV CDL COMBINATION PRACTICE TEST
11.
Inspecting the fifth-wheel does NOT include:
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making sure that the fifth-wheel plate is greased as required.
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checking for missing or damaged parts.
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checking the area around the vehicle.
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ensuring the fifth wheel is in the proper position for coupling.
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12.
You should not use the trailer hand brake to straighten out a jackknifing trailer. Why?
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You should use the service break instead.
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You should use the emergency break instead.
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The brakes on the trailer wheels caused the skid in the first place.
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The brakes on the trailer wheels will not respond.
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13.
If an item placed on a flatbed trailer is 7 feet long, it should have __ tie-downs.
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3
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2
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7
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1
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14.
A steering wheel should have no more than _____ of play. If there is more play than this, it may be hard to steer.
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15 degrees
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10 degrees
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It doesn't matter.
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30 degrees
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15.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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maintain your current speed, and apply the brakes when you reach 50 mph to gradually reduce your speed to 40 mph.
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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increase your speed to approximately 45 mph, and then apply release the brakes.
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16.
Poor weight balance:
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increases fuel efficiency.
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can make vehicle handling more difficult.
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makes it easier to turn.
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improves handling.
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17.
Glad hands are:
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coupling devices.
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securement devices.
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electronic devices.
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warning devices.
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18.
Radial and bias-ply tires:
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should be used together only when driving in packed snow.
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should be used together.
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should be used together only during bad weather.
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should not be used together.
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19.
"Bobtail" tractors are:
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tractors with two trailers.
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tractors without semitrailers.
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heavily loaded trailers.
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tractors with a tank.
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20.
If you feel drowsy while driving, what should you do?
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Turn on the radio to keep you awake.
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Get an energy drink.
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Eat heavy foods.
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Pull off the road and get some sleep.
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