Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional controller Proportional-integral (PI) controller Proportional integral-derivative (PID) controller Proportional-derivative(PD)controller Proportional controller Proportional-integral (PI) controller Proportional integral-derivative (PID) controller Proportional-derivative(PD)controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the continuous measurment of __________ flue gases going out of the furnace. Carbon dioxide in Carbon monoxide in Temperature of Oxygen in Carbon dioxide in Carbon monoxide in Temperature of Oxygen in ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The pressure sensing element of elastic type pressure gauge is never made in the form of a Bellow Diaphragm Strip Bourdon tube Bellow Diaphragm Strip Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Closed Neither A Nor B Here Both A & B Here Open Closed Neither A Nor B Here Both A & B Here Open ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 90° 45° 0° 180° 90° 45° 0° 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 32° & 80° - 273° & 80° 0° & 80° 32° & 460° 32° & 80° - 273° & 80° 0° & 80° 32° & 460° ANSWER DOWNLOAD EXAMIANS APP
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