Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Thomson effect Peltier effect Seebeck effect Joule heating effect Thomson effect Peltier effect Seebeck effect Joule heating effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Dead zone Static error Time lag Reproducibility Dead zone Static error Time lag Reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Of hot junction only Difference between hot and cold junctions Of cold junction only Difference between cold junction and atmospheric temperature Of hot junction only Difference between hot and cold junctions Of cold junction only Difference between cold junction and atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real 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 Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real 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 Silver point temperature is __________ °C. 860.5 1060.5 760.5 960.5 860.5 1060.5 760.5 960.5 ANSWER DOWNLOAD EXAMIANS APP
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