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 Which of the following is not the triple point of water? 32°F 492°R 32°R 273°K 32°F 492°R 32°R 273°K ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Hot wire anemometer Thermal conductivity cell Mass spectrometer Polarograph Hot wire anemometer Thermal conductivity cell Mass spectrometer Polarograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 350 to 750 0 to 150 500 to 900 -200 to 150 350 to 750 0 to 150 500 to 900 -200 to 150 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Chromel Brass Invar Nickel Chromel Brass Invar Nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Static error Dead zone None of these Drift Static error Dead zone None of these Drift ANSWER DOWNLOAD EXAMIANS APP