COMBINATION TEST KANSAS - PRACTICE TEST
11.
An Anti-lock Braking System (ABS):
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keeps your wheels from locking up when you brake hard.
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increases your normal braking capability.
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always shortens your stopping distance.
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lets you drive faster.
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12.
When inspecting the coupling, check that the safety latch is:
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in position over the locking lever.
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pushing against the kingpin.
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in the "lock" position.
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None of the above.
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13.
Which of these statements is true?
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Large combination vehicles take longer to stop when they are fully loaded than when they are empty.
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"Bobtail" tractors can take longer to stop than a combination vehicle loaded to maximum gross weight.
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Trailer skids are more likely to happen when the trailer is empty or lightly loaded.
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All of the above.
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14.
You are coupling a tractor to a semi-trailer. You have backed up but are not yet under the trailer. Before backing under the semi-trailer, you should:
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remove the wheel chocks.
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begin raising the landing gear.
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supply air to the trailer system and lock the trailer brakes.
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connect the electrical cord and check the air lines.
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15.
Containerized loads:
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should exceed gross weight and axle weight limits.
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must be inspected before and after the trip.
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are generally used for freight carried part way by rail or ship.
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All of the above.
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16.
When parking, you should choose a spot:
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that requires backing up.
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that allows you do a walk around inspection.
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that allows you to pull forward when you leave.
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All of the above.
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17.
When checking air brakes on combination vehicles, which of the following is NOT part of checking that air flows to all trailers?
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Opening the emergency line shut-off valve at the rear of the last trailer.
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Going to the rear of the rig.
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Using the trailer handbrake to provide air to the service line.
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Pulling tractor forward until the fifth-wheel comes out from under the trailer.
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18.
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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30 degrees
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10 degrees
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It doesn't matter.
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15 degrees
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19.
If your vehicle gets stuck on the railroad tracks, you should:
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get out of your vehicle and away from the tracks.
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gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
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check for identifiable landmarks to give the location of the crossing.
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All of the above.
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20.
When looking at your cargo covers in the mirrors while driving, you must be aware that a flapping cover:
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keeps the cargo cool.
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can tear loose, uncovering the cargo.
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means that the cargo is balanced.
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helps keep the cargo as close to the ground as possible.
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