Automatic Control Systems The relative stability of a system is given by Both phase and gain margins Gain margin alone Phase margin alone Either (a) or (b) Both phase and gain margins Gain margin alone Phase margin alone Either (a) or (b) 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 Nyquist stability criterion uses open loop frequency response characteristics. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator 1 and 2 All 1, 2 and 3 3 and 4 1 and 2 All 1, 2 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Lag compensation permits a high gain at low frequencies. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The distance of poles from origin depends on Neither A nor B Damping ratio Both A and B Uqndamped natural frequency Neither A nor B Damping ratio Both A and B Uqndamped natural frequency ANSWER DOWNLOAD EXAMIANS APP
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