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
A
Air to open valve with the controller direct acting
B
Air to close valve with the controller indirect acting
C
Air to open valve with the controller indirect acting
D
Air to close valve with the controller direct acting
Correct Answer: Air to open valve with the controller indirect acting