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/6 π/12 π/3 5π/12 π/6 π/12 π/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system? < 1 >1 1 None of these < 1 >1 1 None of these 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 Thermal conductivity cell Zirconia probe Chromatograph Orsat apparatus Thermal conductivity cell Zirconia probe Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Thermocouples Radiation pyrometer Photoelectric pyrometer Optical pyrometer Thermocouples Radiation pyrometer Photoelectric pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple is suitable for measuring Both high and low temperatures Very low temperatures only Very high temperatures only Liquid temperatures only Both high and low temperatures Very low temperatures only Very high temperatures only Liquid temperatures only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mcleoid gauge is used to measure the Point velocity Pressure Flow rate Vacuum Point velocity Pressure Flow rate Vacuum ANSWER DOWNLOAD EXAMIANS APP
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