Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Thermocouple Radiation pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer Thermocouple Radiation pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer 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? Mercury Carbon-tetrachloride Water Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Unstable None of these Critically damped Stable Unstable None of these Critically damped Stable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. The minimum Both maximum and the minimum Nothing about the The maximum The minimum Both maximum and the minimum Nothing about the The maximum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pirani gauge is used for the measurement of High vacuum Liquid level at atmospheric pressure Very high pressure Liquid level under pressure High vacuum Liquid level at atmospheric pressure Very high pressure Liquid level under pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is -90° 45° -45° -180° -90° 45° -45° -180° ANSWER DOWNLOAD EXAMIANS APP
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