Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Hydrogen Nitrogen None of these Helium Hydrogen Nitrogen None of these Helium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object and surrounding are at almost the same temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a differential pressure flow meter? Venturimeter Orificemeter Flow nozzle Rotameter Venturimeter Orificemeter Flow nozzle Rotameter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Constant volume gas Vapor pressure Mercury in glass Bimetallic Constant volume gas Vapor pressure Mercury in glass Bimetallic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Mercury thermometer Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer Radiation pyrometer None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid discharge from a tank or reservoir can not be measured by Orificemeters Weirs Mouthpieces Notches Orificemeters Weirs Mouthpieces Notches ANSWER DOWNLOAD EXAMIANS APP
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