Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Seebeck effect Wien's law Kirchoff's law Peltier effect Seebeck effect Wien's law Kirchoff's law Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases exponentially Increases Decreases Remains constant Increases exponentially Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Brass Chromel Nickel Invar Brass Chromel Nickel Invar ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon tube is never made of Phosphor bronze Monel metal Cast iron Stainless steel Phosphor bronze Monel metal Cast iron Stainless steel 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 PH meter Polarograph Chromatograph Polarimeter PH meter Polarograph Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
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