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 1 0.5 1/√2 0.25 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since The Laplace transform of integral of exp(at) has finite values only for s > a The function is exponential The Laplace transform integral of exp(at) has initial values only for s > a The function exp(at) is piece-wise continuous only for s > a The Laplace transform of integral of exp(at) has finite values only for s > a The function is exponential The Laplace transform integral of exp(at) has initial values only for s > a The function exp(at) is piece-wise continuous only for s > a ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Corner Resonant Natural Cross-over Corner Resonant Natural Cross-over ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? CO₂ NO₂ NO O₂ CO₂ NO₂ NO O₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing Nitrogen Hydrogen None of these Helium Nitrogen Hydrogen None of these Helium ANSWER DOWNLOAD EXAMIANS APP
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