Process Control and Instrumentation A mercury barometer measures the __________ pressure. Absolute Gauge Vacuum Atmospheric Absolute Gauge Vacuum Atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Low loads Temperature changes Flow rate changes None of these Low loads Temperature changes Flow rate changes None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Rotameter V-notch Weir Orificemeter Rotameter V-notch Weir Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Thomson effect Peltier effect Seebeck effect Joule heating effect Thomson effect Peltier effect Seebeck effect Joule heating effect 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 Which of the following is not classified as a thermo electric pyrometer Thermocouple Resistance thermometer Radiation pyrometer Optical pyrometer (disappearing filament type) Thermocouple Resistance thermometer Radiation pyrometer Optical pyrometer (disappearing filament type) ANSWER DOWNLOAD EXAMIANS APP
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