Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 51 and 439 - 39 and 350 - 79 and 395 - 10 and 425 - 51 and 439 - 39 and 350 - 79 and 395 - 10 and 425 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 Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 3 29 13 0.1 3 29 13 0.1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by Routh test Root locus methods Frequency response methods None of these Routh test Root locus methods Frequency response methods None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Smoke density of the flue gas going out of the chimney is measured by a Polarograph Thermal conductivity meter Photo electric cell Chromatograph Polarograph Thermal conductivity meter Photo electric cell Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in a small channel is best measured by a/an Weir Pitot tube Venturimeter Vane meter Weir Pitot tube Venturimeter Vane meter ANSWER DOWNLOAD EXAMIANS APP
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