Process Control and Instrumentation Thermal conductivity measurement com-prises the working principle of a CO₂ analyser Spectrometer Polarimeter Chromatograph CO₂ analyser Spectrometer Polarimeter Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Weir Rotameter V-notch Orificemeter Weir Rotameter V-notch Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Codify/decodify the input signal Amplify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Codify/decodify the input signal Amplify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 180° 180° - phase lag Phase lag + 90° Phase lag - 180° Phase lag + 180° 180° - phase lag Phase lag + 90° Phase lag - 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can measure higher temperature Can't measure the temperature of moving objects Has a slower speed of response Is more affected by corrosive atmosphere Can measure higher temperature Can't measure the temperature of moving objects Has a slower speed of response Is more affected by corrosive atmosphere ANSWER DOWNLOAD EXAMIANS APP
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