Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Either (a) or (b) Rotor Partly on stator and partly on rotor Stator Either (a) or (b) Rotor Partly on stator and partly on rotor Stator ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points 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 Either lie on the real axis or occur in complex conjugate pairs ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on Both magnitude and phase relationship of voltages applied to the two stator windings None of these Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings None of these Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is Directly proportional to gain constant Inversely proportional to bandwidth of system Inversely proportional to gain constant Independent of gain constant Directly proportional to gain constant Inversely proportional to bandwidth of system Inversely proportional to gain constant Independent of gain constant 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 If any term in the first column of a Routh array becomes zero, then 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 negative number for zero and complet-ing the array Routh criterion can be used by substituting a small positive number for zero and completing 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 negative number for zero and complet-ing the array Routh criterion can be used by substituting a small positive number for zero and completing the array ANSWER DOWNLOAD EXAMIANS APP
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