A hemisphere tank full of water is emptied by a pipe at the rate of 25/7 liters per sec how much time will it take to make the tank half empty, if the tank is 3m in diameter

Asked by Surabhi Soman | 1st Mar, 2013, 11:32: AM

Expert Answer:

radius of hemispherical tank = 3/2m volume of tank = 2/3*22/7*3/2*3/2*3/2 = 99/14 m3 =99000/14L (1m3= 1000L) half the tank = i.e 99000/14 * 1/2 = 99000/28 L now,in 1 sec = 25/7 L of water is emptied Required time = 99000/28 / 25/7 = 99000/28 * 7/25 = 990 sec

Aswered by  | 1st Mar, 2013, 02:45: PM

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