Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 log10 (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR)0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is RC R + C 1/RC R - C RC R + C 1/RC R - C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Bimetallic thermometer Beckman thermometer Mercury thermometer Dilatometer Bimetallic thermometer Beckman thermometer Mercury thermometer Dilatometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is None of these Pressure rise with temperature Volumetric expansion Linear expansion None of these Pressure rise with temperature Volumetric expansion Linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Temperature changes Low loads Flow rate changes High loads Temperature changes Low loads Flow rate changes High loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Mercury in glass thermometer Platinum resistance thermometer Vapor pressure thermometer Radiation pyrometer Mercury in glass thermometer Platinum resistance thermometer Vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP
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