Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of 2.0 4.0 0.5 1.0 2.0 4.0 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is 1/(τds + 1) E-τds Τds + 1 Eτds 1/(τds + 1) E-τds Τds + 1 Eτds ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1. Neither A nor B Here Outlet flow rate Both A & B Here Level Neither A nor B Here Outlet flow rate Both A & B Here Level ANSWER DOWNLOAD EXAMIANS APP
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 All of these Determines its stability Is the same for set point or load changes Depends only upon the open loop transfer function All of these Determines its stability Is the same for set point or load changes Depends only upon the open loop transfer function ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag - 180° 180° - phase lag Phase lag + 180° Phase lag + 90° Phase lag - 180° 180° - phase lag Phase lag + 180° Phase lag + 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Reproducibility Static characteristics Speed of response Fidielity Reproducibility Static characteristics Speed of response Fidielity ANSWER DOWNLOAD EXAMIANS APP
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