Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Seebeck effect Thomson effect Peltier effect None of these Seebeck effect Thomson effect Peltier effect None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Of cold junction only Difference between hot and cold junctions Of hot junction only Difference between cold junction and atmospheric temperature Of cold junction only Difference between hot and cold junctions Of hot junction only Difference between cold junction and atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Thermocouples Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers Thermocouples Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? O₂ NO₂ NO CO₂ O₂ NO₂ NO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C. 0.0001 0.01 0.001 0.1 0.0001 0.01 0.001 0.1 ANSWER DOWNLOAD EXAMIANS APP
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 Is the same for set point or load changes Determines its stability Depends only upon the open loop transfer function All of these Is the same for set point or load changes Determines its stability Depends only upon the open loop transfer function All of these ANSWER DOWNLOAD EXAMIANS APP
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