4649Chemical EngineeringMedium
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________?
AAir to open valve with the controller indirect acting
BAir to close valve with the controller direct acting
CAir to close valve with the controller indirect acting
DAir to open valve with the controller direct acting
Correct answer
A. Air to open valve with the controller indirect acting
Explanation
The correct answer is Air to open valve with the controller indirect acting.