Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Melting Both A & B Here Boiling Neither A nor B Here Melting Both A & B Here Boiling Neither A nor B Here 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. 350 250 550 700 350 250 550 700 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a differential pressure flow meter? Venturimeter Rotameter Orificemeter Flow nozzle Venturimeter Rotameter Orificemeter Flow nozzle ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Change of angle of refraction with composition comprises the working principle of a Polarimeter Polarograph Refractrometer Spectrometer Polarimeter Polarograph Refractrometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Difference between hot and cold junctions Of hot junction only Difference between cold junction and atmospheric temperature Of cold junction only Difference between hot and cold junctions Of hot junction only Difference between cold junction and atmospheric temperature Of cold junction only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Combustion space in boilers Molten slag flowing out of blast furnace Rotary limestone calcination kiln Hot blast (air) from stoves Combustion space in boilers Molten slag flowing out of blast furnace Rotary limestone calcination kiln Hot blast (air) from stoves ANSWER DOWNLOAD EXAMIANS APP
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