Practice question

What is brake compounding and why is it dangerous?

Applying the foot brake too hard, causing the drums to overheat and fade
The simultaneous application of the service and spring parking brakes, which can damage brake components
Mixing oil and water in the reservoirs, causing valve freeze-ups
Mismatching different sizes of brake chambers on the same axle

Answer: B — The simultaneous application of the service and spring parking brakes, which can damage brake components

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