Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the Heat content in the system Heat flow rate Temperature difference None of these Heat content in the system Heat flow rate Temperature difference None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1. Outlet flow rate Neither A nor B Here Level Both A & B Here Outlet flow rate Neither A nor B Here Level Both A & B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid discharge from a tank or reservoir can not be measured by Notches Orificemeters Mouthpieces Weirs Notches Orificemeters Mouthpieces Weirs ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = (overshoot)² Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = (overshoot)² Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as 8, 0.6, 0.12 8, 0.6, 0.08 12, 0.6, 0.12 12, 0.4, 0.08 8, 0.6, 0.12 8, 0.6, 0.08 12, 0.6, 0.12 12, 0.4, 0.08 ANSWER DOWNLOAD EXAMIANS APP
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