Process Control and Instrumentation Working principle of mercury in glass thermometer is None of these Volumetric expansion Pressure rise with temperature Linear expansion None of these Volumetric expansion Pressure rise with temperature Linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Copper-constantan Platinum-platinum+rhodium Aluminium-chromel None of these Copper-constantan Platinum-platinum+rhodium Aluminium-chromel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 700 250 550 350 700 250 550 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Seebeck effect Kirchoff's law Wien's law Peltier effect Seebeck effect Kirchoff's law Wien's law Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Inside a pressure vessel Of liquid oxygen Of moving objects at high temperature Of an object without coming in contact with it Inside a pressure vessel Of liquid oxygen Of moving objects at high temperature Of an object without coming in contact with it ANSWER DOWNLOAD EXAMIANS APP