Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. None of these Platinum-platinum/rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum/rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Radiation pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer Thermocouple Radiation pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermodynamic celcius scale of temperature measurement is Both A&B Here Having an interval of 100° between ice point to steam point Having an interval of 100° between ice point to steam point Defined on the basis of melting point of ice and evaporation temperature of water vapor Both A&B Here Having an interval of 100° between ice point to steam point Having an interval of 100° between ice point to steam point Defined on the basis of melting point of ice and evaporation temperature of water vapor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The amplitude ratio of a pure time delay system increases with frequency The frequency response of a pure capacity process is unbounded The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The amplitude ratio of a pure time delay system increases with frequency The frequency response of a pure capacity process is unbounded ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable. Load Controlled Manipulated None of these Load Controlled Manipulated None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Peltier effect Wien's law Seebeck effect Kirchoff's law Peltier effect Wien's law Seebeck effect Kirchoff's law ANSWER DOWNLOAD EXAMIANS APP
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