Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Partly on stator and partly on rotor Rotor Stator Either (a) or (b) Partly on stator and partly on rotor Rotor Stator Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If any term in the first column of a Routh array becomes zero, then Routh criterion can be used by substituting a big positive number for zero and completing the array Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a big positive number for zero and completing the array Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion cannot be used to determine stability ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° 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 (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° M loci are centred about (0 dB, -180°) point ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems DC tachogenerator can be used in Neither A nor B Speed control system Both A and B Position control system Neither A nor B Speed control system Both A and B Position control system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Bandwidth is proportional to speed of response. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. False True False True ANSWER DOWNLOAD EXAMIANS APP
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