If R is the reduction ratio and r is a fractional reduction in area, – McqOptions

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1.	If R is the reduction ratio and r is a fractional reduction in area, then the relationship between R & r will be given as __________
A.	R=r
B.	R=1-r
C.	R=1/(1-r)
D.	R=1/r
Answer» D. R=1/r

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