Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Introducing integral control None of these Introducing derivative control Reducing value of Kc Introducing integral control None of these Introducing derivative control Reducing value of Kc ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/3 π/12 π/6 5π/12 π/3 π/12 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 30° 180° 120° 90° 30° 180° 120° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The response of two tanks of same size and resistance in series is Critically damped None of these Under damped Over damped Critically damped None of these Under damped Over damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Velocity None of these (time)⁻¹ Time Velocity None of these (time)⁻¹ Time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low electrical conductivity High viscosity index Low flash point Low thermal conductivity Low electrical conductivity High viscosity index Low flash point Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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