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 Polarograph PH meter Chromatograph Polarimeter Polarograph PH meter Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Psychrometer determines the Humidity of gases Hygroscopic nature of solids Moisture content of solids Water of crystallisation Humidity of gases Hygroscopic nature of solids Moisture content of solids Water of crystallisation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Amplitude ratio Gain in P controller Gain in P-I controller Reciprocal of amplitude ratio Amplitude ratio Gain in P controller Gain in P-I controller Reciprocal of amplitude ratio ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and oscillatory Faster and oscillatory Faster and non-oscillatory Slower and non-oscillatory Slower and oscillatory Faster and oscillatory Faster and non-oscillatory Slower and non-oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by None of these Introducing derivative control Reducing value of Kc Introducing integral control None of these Introducing derivative control Reducing value of Kc Introducing integral control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? NO O₂ CO₂ NO₂ NO O₂ CO₂ NO₂ ANSWER DOWNLOAD EXAMIANS APP