Process Control and Instrumentation Thermal wells are used in the temperature measurement to Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Reduce measuring lag Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Reduce measuring lag Increase the fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by All of these Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum Making the volume of thermometer bulb as large as conveniently possible All of these Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum Making the volume of thermometer bulb as large as conveniently possible ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing None of these Hydrogen Nitrogen Helium None of these Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Platinum resistance thermometer Radiation pyrometer Thermocouple Photo-electric pyrometer Platinum resistance thermometer Radiation pyrometer Thermocouple Photo-electric pyrometer 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
Process Control and Instrumentation Continuous measurement of moisture content of paper in paper industry is done by measuring the Magnetic susceptibility None of these Thermal conductivity through the paper Electrical resistance through the paper Magnetic susceptibility None of these Thermal conductivity through the paper Electrical resistance through the paper ANSWER DOWNLOAD EXAMIANS APP