Q5. a) Describe shell and tube type heat exchanger and its function with the aid of a diagrammatic sketch, naming each part. (8)
b) Describe the physical cleaning procedure of cleaning tubes. (4)
c) Describe the Chemical cleaning of the shell side of the heat exchanger. (4)
Q4. a) Describe how leak in leaky tube in Heat exchanger is detected? How to rectify leaky tube? (8)
b) Describe how division plate on the inlet and outlet end is detected? (4)
c) Describe reasons for poor performance of heat exchanger and action to rectify the same. (4)
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