Correct Answer: Manipulated variable is represented by C.
2. Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.
4. "An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall". This is the working principle of a
6. 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
Options
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.