CONNECTICUT CDL AIR BRAKES PRACTICE TEST

16. If your trailer starts to skid, you should:
accelerate slightly.
keep the rear of your vehicle close to the curb.
use the trailer hand brake (if you have one) to straighten out the rig.
release the brakes to get traction back.
17. Vehicles with ABS have ______ ABS malfunction lamps on the instrument panel.
yellow
blue
orange
green
18. The ______ puts alcohol into the air system.
alcohol storage tank
air tank drains
alcohol tank drains
alcohol evaporator
19. The air brake lag distance at 55 mph on dry pavement adds about:
32 feet.
75 feet.
60 feet.
16 feet.
20. The space under a heavily loaded vehicle can be very small. This can cause problems:
on unpaved yards.
when crossing railroad tracks.
on dirt roads.
All of the above.
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