Automatic Control Systems The relative stability of a system is given by Gain margin alone Either (a) or (b) Both phase and gain margins Phase margin alone Gain margin alone Either (a) or (b) Both phase and gain margins Phase margin alone ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Integral Derivative Both (b) and (c) Proportional Integral Derivative Both (b) and (c) Proportional ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point 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
Automatic Control Systems In the field controlled motor the entire damping comes from Field resistance Back emf Motor friction and load Armature resistance Field resistance Back emf Motor friction and load Armature resistance ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The distance of poles from origin depends on Uqndamped natural frequency Damping ratio Both A and B Neither A nor B Uqndamped natural frequency Damping ratio Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In Bode plots the frequency at which two asymptotes meet is called corner frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP