COMBINATION TEST KANSAS - PRACTICE TEST

11. An Anti-lock Braking System (ABS):
keeps your wheels from locking up when you brake hard.
increases your normal braking capability.
always shortens your stopping distance.
lets you drive faster.
12. When inspecting the coupling, check that the safety latch is:
in position over the locking lever.
pushing against the kingpin.
in the "lock" position.
None of the above.
13. Which of these statements is true?
Large combination vehicles take longer to stop when they are fully loaded than when they are empty.
"Bobtail" tractors can take longer to stop than a combination vehicle loaded to maximum gross weight.
Trailer skids are more likely to happen when the trailer is empty or lightly loaded.
All of the above.
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:
remove the wheel chocks.
begin raising the landing gear.
supply air to the trailer system and lock the trailer brakes.
connect the electrical cord and check the air lines.
15. Containerized loads:
should exceed gross weight and axle weight limits.
must be inspected before and after the trip.
are generally used for freight carried part way by rail or ship.
All of the above.
16. When parking, you should choose a spot:
that requires backing up.
that allows you do a walk around inspection.
that allows you to pull forward when you leave.
All of the above.
17. When checking air brakes on combination vehicles, which of the following is NOT part of checking that air flows to all trailers?
Opening the emergency line shut-off valve at the rear of the last trailer.
Going to the rear of the rig.
Using the trailer handbrake to provide air to the service line.
Pulling tractor forward until the fifth-wheel comes out from under the trailer.
18. A steering wheel should have no more than _____ of play. If there is more play than this, it may be hard to steer.
30 degrees
10 degrees
It doesn't matter.
15 degrees
19. If your vehicle gets stuck on the railroad tracks, you should:
get out of your vehicle and away from the tracks.
gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
check for identifiable landmarks to give the location of the crossing.
All of the above.
20. When looking at your cargo covers in the mirrors while driving, you must be aware that a flapping cover:
keeps the cargo cool.
can tear loose, uncovering the cargo.
means that the cargo is balanced.
helps keep the cargo as close to the ground as possible.
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