Process Control and Instrumentation For a feed back control system to be stable, the Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane 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 Continuous measurement of moisture in paper is done by Hair-hygrometer High resistance Wheatstone's bridge circuit Weighing Sling psychrometer Hair-hygrometer High resistance Wheatstone's bridge circuit Weighing Sling psychrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Low emissivity High transmissivity of radiation Polished surface Very thick walls Low emissivity High transmissivity of radiation Polished surface Very thick walls ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pressure of 0.01 psi (absolute) can be measured by __________ gauge. Pirani None of these Mcloid Ionisation Pirani None of these Mcloid Ionisation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 ANSWER DOWNLOAD EXAMIANS APP
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