Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Introducing integral control Introducing derivative control None of these Reducing value of Kc Introducing integral control Introducing derivative control None of these Reducing value of Kc ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a mechanical pressure sensing element? Bellows U-tube Diaphragm Bourdon tube Bellows U-tube Diaphragm Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with a double pole at the origin is unstable since the corresponding term in the time domain Is a constant Grows linearly with time Decays linearly with time Grows exponentially with time Is a constant Grows linearly with time Decays linearly with time Grows exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/6 π/3 π/12 5π/12 π/6 π/3 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 0 to 150 -200 to 150 350 to 750 500 to 900 0 to 150 -200 to 150 350 to 750 500 to 900 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an Thermal conductivity cell Zirconia probe Chromatograph Orsat apparatus Thermal conductivity cell Zirconia probe Chromatograph Orsat apparatus ANSWER DOWNLOAD EXAMIANS APP
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