CA CDL AIR BRAKES PRACTICE TEST

11. On any upgrade, gravity:
slows you down.
doubles your speed.
speed you up.
12. Air storage tanks:
use parts of the service brake systems to stop the vehicle in a brake system failure.
hold compressed air for the brakes.
pump air into the air storage tanks.
13. Some air brake systems have an alcohol evaporator. Checking the alcohol container and filling it up as necessary:
reduces the risk of ice in air brake valves during cold weather.
helps keep the engine cool, as well as lubricating it.
helps you avoid wheel lock up.
14. You are driving on a steep downgrade. If your safe speed is 35 mph, you should apply the brakes when your speed reaches:
30 mph
25 mph
35 mph
15. Empty trucks have the best braking. True or False?
It depends on the cargo.
False.
True.
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