Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 32° & 80° - 273° & 80° 32° & 460° 0° & 80° 32° & 80° - 273° & 80° 32° & 460° 0° & 80° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage pressure transducers are used to measure __________ pressures. Neither A nor B Gage as well as vacuum Both A & B Here Absolute as well as differential Neither A nor B Gage as well as vacuum Both A & B Here Absolute as well as differential ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Mercury in glass thermometer Vapor pressure thermometer Thermocouple Reistance thermometer Mercury in glass thermometer Vapor pressure thermometer Thermocouple Reistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test 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 is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots 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 is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = (overshoot)² Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = (overshoot)² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc/τD s Kc τD s Kc(1 +1/τD s) Kc(1+τD s) Kc/τD s Kc τD s Kc(1 +1/τD s) Kc(1+τD s) ANSWER DOWNLOAD EXAMIANS APP
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