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 Working principle of disappearing filament type optical pyrometer is based on the Kirchoff's law Seebeck effect Wien's law Peltier effect Kirchoff's law Seebeck effect Wien's law Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Alphatron measures pressure __________ microns. < 1 < 3 > 3 < 0.1 < 1 < 3 > 3 < 0.1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a U-tube manometer Spring loaded diaphragm valve CSTR with first order reaction Thermocouple kept immersed in a liquid filled thermowell U-tube manometer Spring loaded diaphragm valve CSTR with first order reaction Thermocouple kept immersed in a liquid filled thermowell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Methyl alcohal Carbon-tetrachloride Mercury Water Methyl alcohal Carbon-tetrachloride Mercury Water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Platinum-rhodium Platinum-platinum+rhyodium Chromel-alumel Iron-constantan Platinum-rhodium Platinum-platinum+rhyodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS