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 Thomson effect Seebeck effect Peltier effect Joule heating effect Thomson effect Seebeck effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Conductors Semi conductors Insulators Dielectrics Conductors Semi conductors Insulators Dielectrics ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Time lag Reproducibility Dead zone Static error Time lag Reproducibility Dead zone Static error ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Humidity of air can be determined by a Polarimeter Mass spectrometer Sling psychrometer Chromatograph Polarimeter Mass spectrometer Sling psychrometer Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In an exothermic chemical reactor, the manipulated variable is the flow rate of Coolant Reactants Product None of these Coolant Reactants Product None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Pressure drop across a nozzle Variable flow area Pressure at a stagnation point Rotation of a turbine Pressure drop across a nozzle Variable flow area Pressure at a stagnation point Rotation of a turbine ANSWER DOWNLOAD EXAMIANS APP
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