Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel 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? Joule heating effect Peltier effect Thomson effect Seebeck effect Joule heating effect Peltier effect Thomson effect Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc/τD s Kc(1+τD s) Kc(1 +1/τD s) Kc τD s Kc/τD s Kc(1+τD s) Kc(1 +1/τD s) Kc τD s ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarograph is meant for the analysis of Gaseous mixture Isotopes Solids Miscible liquids Gaseous mixture Isotopes Solids Miscible liquids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1/√2 0.25 0.5 1 1/√2 0.25 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple is suitable for measuring Both high and low temperatures Liquid temperatures only Very high temperatures only Very low temperatures only Both high and low temperatures Liquid temperatures only Very high temperatures only Very low temperatures only ANSWER DOWNLOAD EXAMIANS APP
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