A circular hole of 25 mm diameter and depth of 20 mm is machined by EDM process. The material removal rate (in mm /min) is expressed as 4 10

A circular hole of 25 mm diameter and depth of 20 mm is machined by ED

1.	A circular hole of 25 mm diameter and depth of 20 mm is machined by EDM process. The material removal rate (in mm /min) is expressed as 4 10
A.	2.1431 min
B.	7.1431 min
C.	78.1431 min
D.	9.1431 min
Answer» C. 78.1431 min

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A circular hole of 25 mm diameter and depth of 20 mm is machined by EDM process. The material removal rate (in mm /min) is expressed as 4 10

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