Process Control and Instrumentation __________ is an example of distributed parameter system CSTR Tubular reactor On-off controller None of these CSTR Tubular reactor On-off controller None of these 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 -45° -180° -90° 45° -45° -180° -90° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Wires Strips Beads Bars Wires Strips Beads Bars ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc/τD s Kc(1+τD s) Kc τD s Kc(1 +1/τD s) Kc/τD s Kc(1+τD s) Kc τD s Kc(1 +1/τD s) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H/G G/H G/(1 + H) H(1 + G) H/G G/H G/(1 + H) H(1 + G) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots ANSWER DOWNLOAD EXAMIANS APP