If the head over the triangular notch is doubled, the discharge will i

1.	If the head over the triangular notch is doubled, the discharge will increase by __________ times.
A.	2
B.	2.828
C.	5.657
D.	4
Answer» D. 4

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If the head over the triangular notch is doubled, the discharge will increase by __________ times.

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