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Question: a cylindrical holding water tank has a 3 m inner...

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A cylindrical holding water tank has a 3 m inner diameter and a height of 3 m. There is one inlet of diameter 10 cm, an exit of diameter 8 cm, and a drain. The tank is initially empty when the inlet pump is turned on, producing an average inlet velocity of 5 m/s. When the level in thetank reaches 0.7 m, the exit pump turns on, causing flow out of the exit; the exit average velocity is 3 m/s. When the water level reaches 2 m, the drain is opened such that the level remains at 2 m. Find (i) the time at which the exit pump is switched on, (ii) the time at which the drain is opened, and (ii) the flow rate into the drain (mA3/min). Activity Details topic ooo fa FS FS F7 F8 4 5 8
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