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? Joule heating effect Peltier effect Seebeck effect Thomson effect Joule heating effect Peltier effect Seebeck effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The amplitude ratio of a pure time delay system increases with 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 capacity process is inversely proportional to frequency The amplitude ratio of a pure time delay system increases with 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 capacity process is inversely proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? All of these Chromel-constantan Platinum-platinum + rhodium Iron-constantan All of these Chromel-constantan Platinum-platinum + rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. First order system Transportation lag Second order system None of these First order system Transportation lag Second order system None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. None of these Routh stability Nyquist Bode stability None of these Routh stability Nyquist Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Melting Neither A nor B Here Boiling Both A & B Here Melting Neither A nor B Here Boiling Both A & B Here ANSWER DOWNLOAD EXAMIANS APP
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