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 Chromel-alumel Platinum-rhodium Iron-constantan Platinum-platinum+rhyodium Chromel-alumel Platinum-rhodium Iron-constantan Platinum-platinum+rhyodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 250 350 550 700 250 350 550 700 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . < 10 (gage) > 2(gage) < 3 (gage) < atmospheric < 10 (gage) > 2(gage) < 3 (gage) < atmospheric 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 Volumetric expansion Increase of pressure Differential linear expansion Increase of thermal conductivity Volumetric expansion Increase of pressure Differential linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A non-linear system will have __________ steady state values. One More than one Two Three One More than one Two Three ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple is suitable for measuring Both high and low temperatures Very high temperatures only Very low temperatures only Liquid temperatures only Both high and low temperatures Very high temperatures only Very low temperatures only Liquid temperatures only ANSWER DOWNLOAD EXAMIANS APP
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