# Question: a tank having a time constant of 1 min and...

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A tank having a time constant of 1 min and a resistance of 19ft/cfm is operating at steady state with an inlet flow of 10 ft 3 /min (or cfm). Refer to figure 3.1 At time t = 0, the flow is suddenly increased to 100 ft 3 /min. Obtain the mathematical model of the system.