WISCONSIN DOUBLES TRIPLES PRACTICE CDL TEST
11.
What is Gross Vehicle Weight?
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The total weight of the cargo
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The total weight of a single vehicle, excluding its load
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The total weight of a single vehicle, including its load
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The total weight of a combination of vehicles excluding the load
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12.
The earliest way to recognize that your trailer has started to skid is:
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by checking the jackknife sensor.
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by releasing the brakes.
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by hearing squeaking noises from the wheels.
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by checking your mirrors.
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13.
The space under a heavily loaded vehicle can be very small. This can cause problems:
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on unpaved yards.
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on dirt roads.
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when crossing railroad tracks.
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All of the above.
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14.
Front-end header boards:
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protect drivers from cargo in case of an accident or emergency stop.
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protect drivers from spilled cargo.
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should never be used.
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reduce traction.
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15.
Having ABS on only the trailer:
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still gives you more control over your vehicle during braking.
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makes the trailer more likely to roll over.
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makes the trailer more likely to swing out.
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is very dangerous.
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16.
Why should you back toward the driver's side?
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Using double clutching requires practice.
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You can see better and watch the rear of your vehicle by looking out the side window.
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You can more easily correct any steering errors.
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All of the above.
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17.
What is true about tire chains?
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You should watch the official video tutorial by the manifacturer before putting them on.
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You must carry the at least 6 chains and extra cross-links.
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You should learn how to put the chains on before you need to do it in snow.
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All of the above.
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18.
During a walk around inspection of a double or triple trailer, make sure that the converter dolly air tank drain valve is _____ and the glad hands are ______.
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closed; not connected
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open; properly connected
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open; not connected
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closed; properly connected
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19.
You should do an after-trip inspection:
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once a month.
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at least once a week.
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after each stop.
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after each trip.
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20.
Your vehicle has air brakes. To stop, you should:
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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push the brake pedal down.
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pull the parking brake control knob out.
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pump the brake pedal 3 times.
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