ILLINOIS CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. With a dual air brake system:
each system has its own air tanks, hoses and lines.
each system shares air tanks.
one system is the main braking system while the other is a back-up system.
each system shares the same lines and hoses.
32. When crossing railroad tracks, you should:
shift gears while crossing the tracks.
put the transmission in Neutral.
not stop.
try to pass slower vehicles.
33. A cardboard box on the road:
should always be driven over to avoid sudden direction changes.
may contain some solid material capable of causing damage.
will never damage vehicle parts if driven over.
is likely to be empty and should not be considered a hazard.
34. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be required to take the tank vehicle test.
you will be required to operate a CMV without hydraulic brakes.
you will be required to operate vehicles with air brakes.
you will be restricted from operating vehicles with air brakes.
35. If you are being tailgated, you should:
flash your brake lights.
speed up.
increase your following distance.
move to the left lane.
36. Before transporting sealed loads, you should check that:
the seal numbers match the placard numbers.
the load is properly secured.
the load can be inspected.
All of the above.
37. Which of these is true about the radiator shutters and the winterfront?
You should remove ice from the radiator shutters.
If the winterfront is left open, the engine may overheat.
You should make sure the winterfront is closed tightly.
All of the above.
38. Retarders:
can be noisy and may not be permitted everywhere.
help to increase brake pressure.
improve traction.
increase fuel efficiency.
39. Driving in very hot weather:
should never be done.
can increase tire pressure.
can decrease oil pressure.
can make it difficult to stay in your lane.
40. When possible, you should park:
on the shoulder.
so you will be able to pull forward when you leave.
so you will have to back up when you leave.
on the roadway.
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