Process Control and Instrumentation On-off controllers are normally used for None of these Low loads Flow rate changes Temperature changes None of these Low loads Flow rate changes Temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Response of a linear control system for a change in set point is called Frequency response Transient response Regulator problem Servo problem Frequency response Transient response Regulator problem Servo problem ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional-integral (PI) controller Proportional integral-derivative (PID) controller Proportional-derivative(PD)controller Proportional controller Proportional-integral (PI) controller Proportional integral-derivative (PID) controller Proportional-derivative(PD)controller Proportional controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh stability method uses __________ loop transfer function. Either A or B Closed Open Neither A nor B Either A or B Closed Open Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Overshoot increases for increasing damping co-efficient Decay ratio = overshoot Decay ratio = (overshoot)² Large damping co-efficient means smaller damping Overshoot increases for increasing damping co-efficient Decay ratio = overshoot Decay ratio = (overshoot)² Large damping co-efficient means smaller damping ANSWER DOWNLOAD EXAMIANS APP
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