[Solved] What happens to the fatigue strength of alloys if altered surfaces are produced in Electro discharge machining?

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Q.	What happens to the fatigue strength of alloys if altered surfaces are produced in Electro discharge machining?
A.	increases
B.	reduces
C.	enhances
D.	improves
Answer» B. reduces
Explanation: the altered surface layers that are produced in electro discharge machining, significantly reduces the fatigue strength of alloys.

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