Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high Gain margin is high and phase margin is 180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is more than 1 less than 1 zero 1 more than 1 less than 1 zero 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Phase margin alone Gain margin alone Both phase and gain margins Either (a) or (b) Phase margin alone Gain margin alone Both phase and gain margins Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Magnetic amplifier is used for Current amplification Power amplification Voltage amplification Frequency amplification Current amplification Power amplification Voltage amplification Frequency amplification ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points lie on the real axis Always occur in complex conjugate pairs Either lie on the real axis or occur in complex conjugate pairs None of these lie on the real axis Always occur in complex conjugate pairs Either lie on the real axis or occur in complex conjugate pairs None of these 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 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 ANSWER DOWNLOAD EXAMIANS APP
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