Process Control and Instrumentation Liquid levels in autocalves are measued by Differential float type manometer Glass gauge None of these Simple float Differential float type manometer Glass gauge None of these Simple float ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. None of these Nyquist Routh stability Bode stability None of these Nyquist Routh stability Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. None of these Nitrogen Helium Hydrogen None of these Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Remains constant Decreases Increases exponentially Increases Remains constant Decreases Increases exponentially Increases 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. 250 350 700 550 250 350 700 550 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system. Second First Zero Third Second First Zero Third ANSWER DOWNLOAD EXAMIANS APP