Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Volumetric expansion Increase of pressure Increase of thermal conductivity Differential linear expansion Volumetric expansion Increase of pressure Increase of thermal conductivity Differential linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C. > 800 < 100 < 0 > 0 > 800 < 100 < 0 > 0 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Humidity of air can be determined by a Mass spectrometer Sling psychrometer Chromatograph Polarimeter Mass spectrometer Sling psychrometer Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 68 36 12 54 68 36 12 54 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? NO O₂ CO₂ NO₂ NO O₂ CO₂ NO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively > 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° < 1.7 and < 30° > 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° < 1.7 and < 30° ANSWER DOWNLOAD EXAMIANS APP
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