Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Depends only upon the open loop transfer function Determines its stability All of these Is the same for set point or load changes Depends only upon the open loop transfer function Determines its stability All of these Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity High drift Poor reproducibility High measuring lag High fidelity High drift Poor reproducibility High measuring lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Alphatron measures pressure __________ microns. < 3 < 1 > 3 < 0.1 < 3 < 1 > 3 < 0.1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Dilatometer Bimetallic thermometer Mercury thermometer Beckman thermometer Dilatometer Bimetallic thermometer Mercury thermometer Beckman thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is Τds + 1 E-τds Eτds 1/(τds + 1) Τds + 1 E-τds Eτds 1/(τds + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a differential pressure flow meter? Orificemeter Venturimeter Flow nozzle Rotameter Orificemeter Venturimeter Flow nozzle Rotameter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS