Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) nRT/P p/nRT V/nRT nRT/V nRT/P p/nRT V/nRT nRT/V ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1/√2 0.25 0.5 1 1/√2 0.25 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Mass spectrometer Thermal conductivity cell Hot wire anemometer Polarograph Mass spectrometer Thermal conductivity cell Hot wire anemometer Polarograph 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 Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Iron-constantan thermocouple Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Iron-constantan thermocouple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 2 5 1 3 2 5 1 3 ANSWER DOWNLOAD EXAMIANS APP
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