The liquid level system shown in the below figure is initially at the steady state with the inlet flow rate at 1 cfm. At time zero , one ft3 of water is suddenly added to the tank; at t =1, one ft3 is added, etc. In other words, a train of unit impulses are applied to the tank at intervals of one minute. Eventually the output wave train becomes periodic as shown in the sketch. Calculate the maximum & minimum values of the output.
