Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and oscillatory Faster and oscillatory Slower and non-oscillatory Faster and non-oscillatory Slower and oscillatory Faster and oscillatory Slower and non-oscillatory Faster and non-oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel 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 Mercury Water Methyl alcohal Carbon-tetrachloride Mercury Water Methyl alcohal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarisation of light forms the working principle of a Polarograph Chromatograph Spectrometer Polarimeter Polarograph Chromatograph Spectrometer Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture in paper is done by High resistance Wheatstone's bridge circuit Sling psychrometer Weighing Hair-hygrometer High resistance Wheatstone's bridge circuit Sling psychrometer Weighing Hair-hygrometer ANSWER DOWNLOAD EXAMIANS APP
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