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 Chromatograph Polarograph Polarimeter PH meter Chromatograph Polarograph Polarimeter PH meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively < 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° > 1.7 and < 30° < 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° > 1.7 and < 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has One cell Two cells Three cells No cell One cell Two cells Three cells No cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Integral control action is introduced Kc is increased Kc is reduced Derivative control action is introduced Integral control action is introduced Kc is increased Kc is reduced Derivative control action is introduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with transfer function (2S/4S) + 1 is of __________ order. Zero 1st 2nd 3rd Zero 1st 2nd 3rd ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 90° at the most Is 120° Is 30° Approaches 180° asymptotically Is 90° at the most Is 120° Is 30° Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
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