Automatic Control Systems The relative stability of a system is given by Phase margin alone Both phase and gain margins Gain margin alone Either (a) or (b) Phase margin alone Both phase and gain margins Gain margin alone Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator 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 Improves steady state behavior and speeds up the transient response of the system Speeds up the transient response of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus To the right To the left and making the system more stable None of these Towards right or left depending on the position of new pole To the right To the left and making the system more stable None of these Towards right or left depending on the position of new pole ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogy, displacement x is analogous to Charge Voltage Magnetic flux linkage Electrostatic energy Charge Voltage Magnetic flux linkage Electrostatic energy ANSWER DOWNLOAD EXAMIANS APP