Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of pressure in ammonia reactor is done by Pirani guage Inclined tube manometer U-tube manometer Bourdon gauge Pirani guage Inclined tube manometer U-tube manometer Bourdon gauge ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Feed forward controller accounts for the __________ changes. Both A & B Load Neither A nor B Set point Both A & B Load Neither A nor B Set point 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. Bode stability Nyquist None of these Routh stability Bode stability Nyquist None of these Routh stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Electrical conductivity Dielectric constant end loss factor Emission spectroscopy Polarimetry Electrical conductivity Dielectric constant end loss factor Emission spectroscopy Polarimetry ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Venturimeter Rotameter Hot wire anemometer Pitot tube Venturimeter Rotameter Hot wire anemometer Pitot tube ANSWER DOWNLOAD EXAMIANS APP