CT CDL COMBINATION TEST - PRACTICE TEST

11. _________ rigs are much more likely to roll over in an accident than _________ rigs.
Fully loaded ; empty
Empty ; fully loaded
Fully loaded ; overloaded
Empty ; overloaded
12. After starting the engine, oil pressure should rise to a normal level:
within 2 minutes.
within 3 miles.
within 6 minutes.
within seconds.
13. When backing a tractor under a trailer:
the trailer will be lifted slightly when the tractor backs under it.
you should lift the trailer off the fifth-wheel.
the fifth-wheel will come out from under the trailer.
the end of the kingpin will be even with the top of the fifth wheel.
14. Blocking _______________ to keep it from sliding.
is used only in the back of a piece of cargo
goes from the upper part of the cargo to the floor
is used in the front, back, and/or sides of a piece of cargo
None of the above.
15. On front tires, tread should be at least:
4/16 inch
4/32 inch
1/16 inch
2/32 inch
16. When your vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called:
front-rear tracking.
path-breaking.
off-tracking.
skidding.
17. What is the minimum tread depth for tires other than front tires?
2/32 inch
4/16 inch
4/32 inch
8/32 inch
18. If the fifth-wheel locking lever is not locked after the jaws close around the kingpin:
the parking brakes are on and the wheels are chocked.
the coupling is not right and you should not drive until you get it fixed.
cargo is properly blocked.
the parking brakes are on and your vehicle is safe to drive.
19. Which of the following is NOT part of testing the trailer service brakes?
Moving the vehicle forward slowly.
Pushing in the trailer air supply knob.
Checking for normal air pressure.
Releasing the parking brakes.
20. Which of the following is most likely to roll over?
The front trailer of a double
The rear trailer of a double
The middle trailer of a triple
The rear trailer of a triple
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