Automatic Control Systems DC tachogenerator can be used in Neither A nor B Speed control system Position control system Both A and B Neither A nor B Speed control system Position control system Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Partly on stator and partly on rotor Rotor Either (a) or (b) Stator Partly on stator and partly on rotor Rotor Either (a) or (b) Stator ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For any transfer function, the constant phase angle loci are A family of straight lines A family of circles Either (a) or (b) Neither (a) nor (b) A family of straight lines A family of circles Either (a) or (b) Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points Either lie on the real axis or occur in complex conjugate pairs Always occur in complex conjugate pairs lie on the real axis None of these Either lie on the real axis or occur in complex conjugate pairs Always occur in complex conjugate pairs lie on the real axis None of these ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is high and phase margin is 180° Gain margin is close to 1 Gain margin is high Gain margin is close to 1 or phase margin is zero Gain margin is high and phase margin is 180° Gain margin is close to 1 ANSWER DOWNLOAD EXAMIANS APP