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 level of a liquid under pressure can be determined using Differential pressure manometer Air-trap system Bubbler system Diaphragm box system Differential pressure manometer Air-trap system Bubbler system Diaphragm box system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Humidity of air can be determined by a Mass spectrometer Polarimeter Sling psychrometer Chromatograph Mass spectrometer Polarimeter Sling psychrometer Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Square root Parabolic Linear Exponential Square root Parabolic Linear Exponential ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. The minimum Nothing about the The maximum Both maximum and the minimum The minimum Nothing about the The maximum Both maximum and the minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Thermal conductivity cell Polarograph Hot wire anemometer Mass spectrometer Thermal conductivity cell Polarograph Hot wire anemometer Mass spectrometer ANSWER DOWNLOAD EXAMIANS APP
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