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A tank initially contains 50 kg of water. At this time, a feed stream enters the tank with a mass flow rate of mi =0.25-0.001t,
A tank initially contains 50 kg of water. At this time, a feed stream enters the tank with a mass flow rate of mi =0.25-0.001t, where mi is in kg/min and t is time in minutes. At the same time, an outlet stream with mo=0.15 kg/min exits the tank . What will be the time in minutes, for 70% of the initial water to discharge from the tank?
a.431.66
b.382.84
c.323.60
d.500.00
e.274.16
.
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