Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Hydrogen Nitrogen Helium None of these Hydrogen Nitrogen Helium None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which is the most suitable instrument for measuring pressure below 3 microns? Mcleoid gauge Bourdon guage Alphatron Ionisation gauge Mcleoid gauge Bourdon guage Alphatron Ionisation gauge ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 0° & 80° 32° & 460° 32° & 80° - 273° & 80° 0° & 80° 32° & 460° 32° & 80° - 273° & 80° 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 45° -45° -90° -180° 45° -45° -90° -180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with transfer function (2S/4S) + 1 is of __________ order. 2nd 1st Zero 3rd 2nd 1st Zero 3rd ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Thermocouple Radiation pyrometer Platinum resistance thermometer Photo-electric pyrometer Thermocouple Radiation pyrometer Platinum resistance thermometer Photo-electric pyrometer ANSWER DOWNLOAD EXAMIANS APP
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