Process Control and Instrumentation Thermal wells are used in the temperature measurement to Reduce measuring lag Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Reduce measuring lag Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity 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 Is the same for set point or load changes All of these Determines its stability Depends only upon the open loop transfer function Is the same for set point or load changes All of these Determines its stability Depends only upon the open loop transfer function ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. Transportation lag First order system None of these Second order system Transportation lag First order system None of these Second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer can be used to measure the temperature upto __________ °C. 750 250 100 350 750 250 100 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ controller has the maximum stabilising time. PD P PI PID PD P PI PID ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS