Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the measurement of % O₂ in flue gas Humidity of air % CO₂ in flue gas Speed of a submarine % O₂ in flue gas Humidity of air % CO₂ in flue gas Speed of a submarine ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Of hot junction only Of cold junction only Difference between hot and cold junctions Difference between cold junction and atmospheric temperature Of hot junction only Of cold junction only Difference between hot and cold junctions Difference between cold junction and atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity? N₂ CO CO₂ O₂ N₂ CO CO₂ O₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Thermal conductivity cell Polarograph Mass spectrometer Hot wire anemometer Thermal conductivity cell Polarograph Mass spectrometer Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
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