Process Control and Instrumentation 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 PH meter Polarograph Chromatograph Polarimeter PH meter Polarograph Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Strips Beads Bars Wires Strips Beads Bars Wires ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Amplitude ratio Reciprocal of amplitude ratio Gain in P-I controller Gain in P controller Amplitude ratio Reciprocal of amplitude ratio Gain in P-I controller Gain in P controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of 4.0 0.5 2.0 1.0 4.0 0.5 2.0 1.0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS