MO CDL COMBINATION TEST - PRACTICE TEST

11. Blocking _______________ to keep it from sliding.
is used only in the back of a piece of cargo
is used in the front, back, and/or sides of a piece of cargo
goes from the upper part of the cargo to the floor
12. When backing a trailer, you should:
pull-up frequently to reposition the vehicle.
not back up in a straight line.
turn the steering wheel toward the direction you want to go.
13. The iron trailer supports are up, and the full weight of the trailer is resting on the tractor. Make sure:
you are in a low enough gear.
the safety latch is not engaged.
there is enough clearance between the rear of the tractor frame and the landing gear.
14. When backing a trailer, you should:
avoid correcting the drift.
turn the steering wheel in the direction you want to go.
try to position your vehicle so you can back in a straight line.
15. Weight that is loaded so there is a high center of gravity:
causes greater chance of rollover.
makes a vehicle easier to handle.
reduces the chance that the load will shift to the side or fall off.
16. If the spring brakes do not release when you push the trailer air supply control, you should:
check the electrical cables.
rev or lug the engine.
check the air line connections.
17. When driving on slippery roads, you should NOT:
try to anticipate stops early.
use the engine brake.
go slowly.
18. Passive railroad crossings:
have at least one traffic control device.
do not have traffic control devices.
should never be crossed using a CMV.
19. A truck tractor with _________ requires the shortest stopping distance.
an empty trailer
a fully loaded trailer
a lightly loaded trailer
20. Loose cargo:
can be a danger to others and yourself.
could hurt or kill you during a quick stop.
All of the above.
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