What is the correct answer?


In a ventilated disc brake

A. A duct directs air towards the caliper for cooling while the vehicle is moving

B. Caliper is covered with cooling fins

C. Disc contains many small holes for optimum cooling performance

D. Disc contains radial vanes between its rubbing surfaces for optimum cooling performance

Correct Answer :

D. Disc contains radial vanes between its rubbing surfaces for optimum cooling performance

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