WI CDL COMBINATION PRACTICE TEST

11. If loose or missing, _______ may cause movement between the frame and fifth wheel assembly.
locking pins
safety chains
electric connectors
mounting bolts
12. If you discover a fire, before opening trailer doors you should:
feel the doors to see if they are hot.
use the fire extinguisher on the doors.
have a helper open the doors.
All of the above.
13. Antifreeze:
doesn't help the engine in any way.
helps the engine under hot conditions as well as cold conditions.
helps the engine only when the temperature is below freezing.
helps the engine only under hot conditions.
14. When backing a trailer, you should:
try to position your vehicle so you can back in a straight line.
turn the steering wheel in the direction you want to go.
never make pull-ups to reposition your vehicle.
avoid correcting the drift.
15. Poor weight balance:
increases fuel efficiency.
can make vehicle handling more difficult.
improves handling.
makes it easier to turn.
16. Which of the following is NOT a warning sign of fatigue?
Driving at the speed of the traffic
Frequent blinking
Trouble remembering the last few miles driven
Heavy eyelids
17. Fully loaded rigs:
are much more likely to roll over than empty rigs.
are less likely to roll over than empty rigs.
are just as likely to roll over as empty rigs.
None of the above.
18. The posted speed limit:
should only be exceeded when passing other vehicles.
may only be exceeded when driving in rural areas.
should never be exceeded.
is only a suggestion.
19. If you are feeling sleepy, you should:
pull off the road and rest or take a nap.
slow down and drive on the shoulder of the road.
increase your speed to get to the destination quicker.
None of the above.
20. Glad hands are:
coupling devices.
electronic devices.
warning devices.
securement devices.
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