The expression for C n as given by Lio and Whitman is _____________

1.	The expression for C n as given by Lio and Whitman is _____________
A.	C n = √(σ’)
B.	C n = √(100/σ’)
C.	C n = 0.77log10(2000/σ’)
D.	None of the mentioned
Answer» C. C n = 0.77log10(2000/σ’)

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The expression for C n as given by Lio and Whitman is _____________

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