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State the reason of using roller follower over kinfe edge follower.

Question: 

State the reason of using roller follower over kinfe edge follower.

Answer: 

1) Roller follower has less wear and tear than knife edge follower.
2) Power required for driving the cam is less due to less frictional force between cam and
follower.

marks:

ME-6I-22655-W19-Q2-a-1-U3