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Chemical Engineering Objective Questions { Process Control and Instrumentation }



134. Which of the following does not figure in the list of seven substances selected for international temperature scale?
Discussion

135. Zirconia probe is used for the continuous measurment of __________ flue gases going out of the furnace.
Discussion

136. Strain gage pressure transducers are used to measure __________ pressures.
Discussion

137. Measurement of pressure in ammonia reactor is done by
Discussion

138. Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability?
Discussion

139. A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in
Discussion

140. A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if
Discussion

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