Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low flash point Low electrical conductivity High viscosity index Low thermal conductivity Low flash point Low electrical conductivity High viscosity index Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Open Neither A nor B Either A or B Closed Open Neither A nor B Either A or B Closed ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is None of these Iron-constantan Chromel-alumel Platinum-platinum+rhodium None of these Iron-constantan Chromel-alumel Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Aluminium-chromel None of these Platinum-platinum+rhodium Copper-constantan Aluminium-chromel None of these Platinum-platinum+rhodium Copper-constantan 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? Carbon-tetrachloride Water Mercury Methyl alcohal Carbon-tetrachloride Water Mercury Methyl alcohal ANSWER DOWNLOAD EXAMIANS APP
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