Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Hot wire anemometer Orificemeter Magnetic flow meter Venturimeter Hot wire anemometer Orificemeter Magnetic flow meter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting 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? NO₂ CO₂ O₂ NO NO₂ CO₂ O₂ NO ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Feed forward controller accounts for the __________ changes. Neither A nor B Load Both A & B Set point Neither A nor B Load Both A & B Set point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Non-linear relation of emf to temperature Corrosion resistance Linear relation of emf to temperature Oxidation resistance Non-linear relation of emf to temperature Corrosion resistance Linear relation of emf to temperature Oxidation resistance ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of Composition of an alloy Specific gravity of petrofuels O₂ percentage in the flue gas CO₂ percentage in the flue gas Composition of an alloy Specific gravity of petrofuels O₂ percentage in the flue gas CO₂ percentage in the flue gas ANSWER DOWNLOAD EXAMIANS APP
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