Process Control and Instrumentation Zirconia probe is used for the measurement of % CO₂ in flue gas % O₂ in flue gas Speed of a submarine Humidity of air % CO₂ in flue gas % O₂ in flue gas Speed of a submarine Humidity of air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Chromel-alumel Platinum-platinum + rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum + rhodium Iron-constantan Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a differential pressure flow meter? Venturimeter Orificemeter Rotameter Flow nozzle Venturimeter Orificemeter Rotameter Flow nozzle ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time Time taken by the controlled variable to reach 63.2% of its full change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test 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 Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing Nitrogen Helium None of these Hydrogen Nitrogen Helium None of these Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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