Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are________________?

Question

Accepted Answer

Air to open valve with the controller indirect acting. For cooling an exothermic reaction, opening the valve increases coolant flow and removes heat. An indirect acting controller is needed because the relationship between valve position and temperature change is not simple.