Process Control and Instrumentation Thermistors are made of Iron-copper alloys Ultra pure metals Nickel-chromium alloys Metal oxides Iron-copper alloys Ultra pure metals Nickel-chromium alloys Metal oxides ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature. Viscosity All of these Pressure Volume Viscosity All of these Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object is transparent Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Drift Static error Dead zone None of these Drift Static error Dead zone None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease 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 Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point ANSWER DOWNLOAD EXAMIANS APP