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4. A liquid of specific gravity 0.9 flows through a rectangular notch at a mass flow...

4. A liquid of specific gravity 0.9 flows through a rectangular notch at a mass flow rate of 585 Kg per second. Take Cd = 0.7

i) If the width of the notch should not exceed double the head of flow, then find head over the notch. (2.5 marks)

ii) For the same discharge if the head over the notch is doubled then find the width of the notch. (2.5 marks)

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