th 2.17 Sketch the level response for a bathtub with cross- sectional area of 8 ft2 as a function of time for the following sequence of events; assume an initial level of 0.5 ft with the drain open....

Extracted text: th 2.17 Sketch the level response for a bathtub with cross- sectional area of 8 ft2 as a function of time for the following sequence of events; assume an initial level of 0.5 ft with the drain open. The inflow and outflow are initially equal to 1 2 ft /min. all cell esult (a) The drain is suddenly closed, and the inflow remains con- stant for 3 min (0 <>< 3).="" (b)="" the="" drain="" is="" opened="" for="" 15="" min;="" assume="" a="" time="" constant="" in="" a="" linear="" transfer="" function="" of="" 3="" min,="" so="" a="" steady="" state="" is="" essentially="" reached="" (3=""><><18). or="" an="" --state="" d.="" dis-="" sult="">


Extracted text: (c) The inflow rate is doubled for 6 min (18<>< 24).="" (d)="" the="" inflow="" rate="" is="" returned="" to="" its="" original="" value="" for="" 16="" min="" (24=""><><>