Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? None of these Peltier effect Seebeck effect Thomson effect None of these Peltier effect Seebeck effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Starting temperature of optical radiation pyrometer is __________ °C. 800 1200 1500 400 800 1200 1500 400 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/3 π/6 π/12 5π/12 π/3 π/6 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage pressure transducers are used to measure __________ pressures. Both A & B Here Neither A nor B Gage as well as vacuum Absolute as well as differential Both A & B Here Neither A nor B Gage as well as vacuum Absolute as well as differential 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. Third Second First Zero Third Second First Zero ANSWER DOWNLOAD EXAMIANS APP