Process Control and Instrumentation Which of the following is not a composition measuring instrument? Mass spectrometer Thermal conductivity cell Polarograph Hot wire anemometer Mass spectrometer Thermal conductivity cell Polarograph Hot wire anemometer 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 CO₂ O₂ CO N₂ CO₂ O₂ CO ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Resistance thermometer Optical pyrometer (disappearing filament type) Thermocouple Radiation pyrometer Resistance thermometer Optical pyrometer (disappearing filament type) Thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR)0.5 Decibel = 20 log10 (AR) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 π/6 π/12 5π/12 π/3 π/6 π/12 5π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An aneroid barometer measures the __________ pressure. Vacuum Absolute Gage Atmospheric Vacuum Absolute Gage Atmospheric ANSWER DOWNLOAD EXAMIANS APP
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