Process Control and Instrumentation Thermal wells are used in the temperature measurement to Reduce measuring lag Increase the fidelity Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the fidelity Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 1000 250 500 750 1000 250 500 750 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? Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium 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 Chromatograph Thermal conductivity cell Zirconia probe Orsat apparatus Chromatograph Thermal conductivity cell Zirconia probe Orsat apparatus ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s² 4/s² 2/s³ 4/s³ 2/s² 4/s² 2/s³ 4/s³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? 30% iron + 70% nickel Lead Nickel Copper 30% iron + 70% nickel Lead Nickel Copper ANSWER DOWNLOAD EXAMIANS APP