Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Tungsten-molybdenum Iron-constantan Platinum-rhodium Chromel-alumel Tungsten-molybdenum Iron-constantan Platinum-rhodium Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the __________ variable. None of these Controlled Manipulated Load None of these Controlled Manipulated Load 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 frequency response of a pure capacity process is unbounded The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The phase lag of a pure time delay system decreases with increasing frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Peltier effect Thomson effect None of these Seebeck effect Peltier effect Thomson effect None of these Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
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? Seebeck effect Thomson effect Peltier effect Joule heating effect Seebeck effect Thomson effect Peltier effect Joule heating effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
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