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 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 Is the same for set point or load changes All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Water Carbon-tetrachloride Methyl alcohal Mercury Water Carbon-tetrachloride Methyl alcohal Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to open valve with the controller indirect acting Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to open valve with the controller indirect acting Air to close valve with the controller indirect acting ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 500 to 900 350 to 750 -200 to 150 0 to 150 500 to 900 350 to 750 -200 to 150 0 to 150 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 2 3 1 5 2 3 1 5 ANSWER DOWNLOAD EXAMIANS APP
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