System PartsQuestion 24 of 60
What is the main advantage of air brakes over hydraulic brakes on large vehicles?
a.They never need any inspection
b.Air is free and the system keeps working even with a small leak by using stored air
c.They eliminate the need for a parking brake
d.They make the vehicle stop instantly
Explanation
Air brakes are a good way to stop large and heavy vehicles because air is readily available and the brakes use stored compressed air. A small leak will not immediately stop the brakes from working because the system keeps a supply of air. However, air brakes have more parts and take longer to react than hydraulic brakes.
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