Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Either (a) or (b) Stator Rotor Partly on stator and partly on rotor Either (a) or (b) Stator Rotor Partly on stator and partly on rotor ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of Constant magnitude loci Constant phase angle loci None of these Magnitude and phase angle loci in log-magnitude versus phase diagram Constant magnitude loci Constant phase angle loci None of these Magnitude and phase angle loci in log-magnitude versus phase diagram 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 A conditionally stable system is stable for the value of gain between two critical values. It is unstable if Both A and B The gain is increased beyond upper critical value None of these The gain is decreased below lower critical value Both A and B The gain is increased beyond upper critical value None of these The gain is decreased below lower critical value ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Gain margin and phase margin can be determined from Bode plots as well as Nyquist plot. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to M = 1 straight line and imaginary axis Real and imaginary axis M = 1 straight line and real axis M = 1 straight line M = 1 straight line and imaginary axis Real and imaginary axis M = 1 straight line and real axis M = 1 straight line ANSWER DOWNLOAD EXAMIANS APP
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