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) V/nRT nRT/V p/nRT nRT/P V/nRT nRT/V p/nRT nRT/P ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The amplitude ratio of a pure capacity process is inversely proportional to frequency The amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure capacity process is inversely proportional to frequency The amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing frequency The frequency response of a pure capacity process is unbounded ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Compositional analysis of __________ is done using mass spectrometer. A solid An isotope An alloy Natural gas A solid An isotope An alloy Natural gas ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively < 1.7 and < 30° < 1.7 and > 30° > 1.7 and > 30° > 1.7 and < 30° < 1.7 and < 30° < 1.7 and > 30° > 1.7 and > 30° > 1.7 and < 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following controllers has maximum offset? P-I-D controller P-controller P-D controller P-I controller P-I-D controller P-controller P-D controller P-I controller ANSWER DOWNLOAD EXAMIANS APP
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