Question

In a laboratory experiment, an orifice of diameter 15 mm is installed in a 25 mm diameter pipe and two pressure tappings, one before and one after the orifice, are connected to a vertical mercury manometer. The discharge is obtained by measuring the rise of water level in a 30 cm x 30 cm square tank collecting the outflow from the pipe. For a particular experiment, the difference in manometer readings was 130 mm of H level was 120 mm in 15 seconds. Estimate the coefficient of discharge g and the rise of water

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di 25mm た15sec 13mm une stored in tank Time of storoge P-P о. Зохо. Зохо . 120 1S Raahng 액 monor eten 130mm Assume density of

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