_ A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape.$?

_ A weir is used to measure the large water discharge rate from a rive

1.	_ A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape.$?
A.	Circular
B.	Rectangular
C.	Triangular
D.	Trapezoidal
Answer» B. Rectangular

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_ A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape.$?

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