Q. Crowning of pulleys is generally done

A
to reduce the belt friction
B
to dissipate the heat generated due to friction
C
to perfect the belt joint so that it may not break while running
D
to prevent the belt from running off the pulley
Solution:

A crowned pulley is used to increase the stability of the belt on the pulley and to run at the center of the pulley without slipping off from the edges.

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