Automatic Control Systems The relative stability of a system is given by Phase margin alone Gain margin alone Either (a) or (b) Both phase and gain margins Phase margin alone Gain margin alone Either (a) or (b) Both phase and gain margins ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Improves steady state behavior and speeds up the transient response of the system Speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Improves steady state behavior of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is 1 less than 1 more than 1 zero 1 less than 1 more than 1 zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? It is symmetric about -180° The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point It is symmetric about -180° The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For any transfer function, the constant phase angle loci are Neither (a) nor (b) A family of circles A family of straight lines Either (a) or (b) Neither (a) nor (b) A family of circles A family of straight lines Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A conditionally stable system is stable for the value of gain between two critical values. It is unstable if The gain is increased beyond upper critical value The gain is decreased below lower critical value Both A and B None of these The gain is increased beyond upper critical value The gain is decreased below lower critical value Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP