Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is more than 1 less than 1 1 zero more than 1 less than 1 1 zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Either (a) or (b) 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 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to M = 1 straight line M = 1 straight line and imaginary axis M = 1 straight line and real axis Real and imaginary axis M = 1 straight line M = 1 straight line and imaginary axis M = 1 straight line and real axis Real and imaginary axis ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Back emf Armature resistance Motor friction and load Field resistance Back emf Armature resistance Motor friction and load Field resistance ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? M loci are centred about (0 dB, -180°) point (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 It is symmetric about -180° M loci are centred about (0 dB, -180°) point (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 It is symmetric about -180° ANSWER DOWNLOAD EXAMIANS APP
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