Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Insulator Solid semi-conductor Liquid semi-conductor Conductor Insulator Solid semi-conductor Liquid semi-conductor Conductor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in a small channel is best measured by a/an Pitot tube Vane meter Weir Venturimeter Pitot tube Vane meter Weir Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 550 700 350 250 550 700 350 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Of an object without coming in contact with it Of moving objects at high temperature Inside a pressure vessel Of liquid oxygen Of an object without coming in contact with it Of moving objects at high temperature Inside a pressure vessel Of liquid oxygen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Roots of the characteristic equation should be real 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 Poles of the closed loop transfer function should lie in the right half of the complex plane Roots of the characteristic equation should be real 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 Poles of the closed loop transfer function should lie in the right half of the complex plane ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Reproducibility Dead zone Sensitivity Fidelity Reproducibility Dead zone Sensitivity Fidelity ANSWER DOWNLOAD EXAMIANS APP
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