MO CDL AIR BRAKES PRACTICE TEST

11. Supply pressure gauges tell drivers:
how much pressure is in the air tanks.
how much air pressure they are applying to the brakes.
All of the above.
12. If your ABS malfunctions:
you should immediately come to a complete stop.
you still have normal brake functions.
the service brake will not work.
13. One way to prevent hydroplaning is to:
take curves at higher speeds.
have less than 4/32 inch tread depth in every major groove on front tires.
make sure you have enough tread on your tires.
14. The wig wag is:
a noise reduction mechanism.
a type of rollover.
a low air pressure warning system.
15. The total stopping distance for vehicles with air brake systems is made up of __ different factors.
2
4
3
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