Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is R - C RC 1/RC R + C R - C RC 1/RC R + C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum + rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum + rhodium 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 Thermal conductivity measurement com-prises the working principle of a Polarimeter Spectrometer Chromatograph CO₂ analyser Polarimeter Spectrometer Chromatograph CO₂ analyser ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Starting temperature of optical radiation pyrometer is __________ °C. 1200 400 1500 800 1200 400 1500 800 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂% can be continuously done by a/an Orsat apparatus Zirconia probe Chromatograph Thermal conductivity cell Orsat apparatus Zirconia probe Chromatograph Thermal conductivity cell ANSWER DOWNLOAD EXAMIANS APP