Automatic Control Systems If poles lie in first quadrant, damping ratio is Zero More than 1 less than 1 1 Zero More than 1 less than 1 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Gain margin alone Phase margin alone Both phase and gain margins Either (a) or (b) Gain margin alone Phase margin alone Both phase and gain margins Either (a) or (b) 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 (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° 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 (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator Increases the stability margin None of these Increases the stability margin and speeds up the transient-response. Speeds up the transient response Increases the stability margin None of these Increases the stability margin and speeds up the transient-response. Speeds up the transient response 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 Both A and B None of these The gain is decreased below lower critical value The gain is increased beyond upper critical value Both A and B None of these The gain is decreased below lower critical value The gain is increased beyond upper critical value ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points Always occur in complex conjugate pairs None of these Either lie on the real axis or occur in complex conjugate pairs lie on the real axis Always occur in complex conjugate pairs None of these Either lie on the real axis or occur in complex conjugate pairs lie on the real axis ANSWER DOWNLOAD EXAMIANS APP
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