Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Iron-constantan Platinum-platinum + rhodium Chromel-alumel Copper-constantan Iron-constantan Platinum-platinum + rhodium Chromel-alumel Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for High loads Flow rate changes Temperature changes Low loads High loads Flow rate changes Temperature changes Low loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In an exothermic chemical reactor, the manipulated variable is the flow rate of Reactants Coolant None of these Product Reactants Coolant None of these Product ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarograph Chromatograph Polarimeter PH meter Polarograph Chromatograph Polarimeter PH meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A barometer measures the __________ pressure. Absolute Absolute as well as gauge Gauge Dynamic Absolute Absolute as well as gauge Gauge Dynamic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Constant volume gas Mercury in glass Bimetallic Vapor pressure Constant volume gas Mercury in glass Bimetallic Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
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