A catchment consists of 40% area with run-off coefficient 0.30 with th – McqOptions

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1.	A catchment consists of 40% area with run-off coefficient 0.30 with the remaining 60% area with run-off coefficient 0.50. The equivalent run-off coefficient will be
A.	0.38
B.	0.42
C.	0.48
D.	0.52
Answer» C. 0.48

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