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 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 Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal Mercury Carbon-tetrachloride 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 open valve with the controller indirect acting Air to close valve with the controller direct acting Air to close valve with the controller indirect 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 direct acting Air to close valve with the controller indirect acting Air to open valve with the controller direct acting ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 0 to 150 -200 to 150 350 to 750 500 to 900 0 to 150 -200 to 150 350 to 750 500 to 900 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 5 2 3 1 5 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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