If W is the weight of the chain, L is the span and P is the tension or – McqOptions

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1.	If W is the weight of the chain, L is the span and P is the tension or pull, then the sag correction of chain line will be:
A.	\(\frac {W^2L^2}{24P}\)
B.	\(\frac {W^2L}{24P^2}\)
C.	\(\frac {W^2L}{24P}\)
D.	\(\frac {W^2L^2}{24P^2}\)
Answer» C. \(\frac {W^2L}{24P}\)

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