Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple 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 Routh stability Nyquist Bode stability None of these Routh stability Nyquist Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 630.74 961.93 1261.93 1064.43 630.74 961.93 1261.93 1064.43 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has Two cells No cell Three cells One cell Two cells No cell Three cells One cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Liquid semi-conductor Solid semi-conductor Conductor Insulator Liquid semi-conductor Solid semi-conductor Conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid discharge from a tank or reservoir can not be measured by Mouthpieces Orificemeters Notches Weirs Mouthpieces Orificemeters Notches Weirs ANSWER DOWNLOAD EXAMIANS APP