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 Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates None of these Elimination of offset Reduction of stability time Reduction of offset None of these Elimination of offset Reduction of stability time Reduction of offset ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order time lag A second order system Dead time system A first order system A first order time lag A second order system Dead time system A first order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Mercury A metal powder or graphite Air Oil Mercury A metal powder or graphite Air Oil ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Dead zone None of these Static error Drift Dead zone None of these Static error Drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 3 13 0.1 29 3 13 0.1 29 ANSWER DOWNLOAD EXAMIANS APP