Process Control and Instrumentation __________ controller has the maximum stabilising time. PD PID PI P PD PID PI P ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order Frequency response values of controllers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is -180° -45° -90° 45° -180° -45° -90° 45° ANSWER DOWNLOAD EXAMIANS APP
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. Bode stability Routh stability None of these Nyquist Bode stability Routh stability None of these Nyquist ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Optical activity of a solution can be determined using a Refractrometer Polarimeter Polarograph Dilatometer Refractrometer Polarimeter Polarograph Dilatometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The fluid used in hydraulic controller is Steam Air Oil Water Steam Air Oil Water ANSWER DOWNLOAD EXAMIANS APP
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