Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. None of these Nyquist Routh stability Bode stability None of these Nyquist Routh stability Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid levels in autocalves are measued by Simple float Glass gauge None of these Differential float type manometer Simple float Glass gauge None of these Differential float type manometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarograph is meant for the analysis of Isotopes Gaseous mixture Solids Miscible liquids Isotopes Gaseous mixture Solids Miscible liquids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a mechanical pressure sensing element? Diaphragm U-tube Bellows Bourdon tube Diaphragm U-tube Bellows Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Fidelity Sensitivity Reproducibility Dead zone Fidelity Sensitivity Reproducibility Dead zone ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
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