Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Rotor Partly on stator and partly on rotor Stator Either (a) or (b) Rotor Partly on stator and partly on rotor Stator Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Field resistance Motor friction and load Armature resistance Back emf Field resistance Motor friction and load Armature resistance Back emf 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) It is symmetric about -180° The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) It is symmetric about -180° The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In control systems the output of sensor usually, is Digital electrical signal Analog electrical signal Mechanical signal Analog or digital electrical signal Digital electrical signal Analog electrical signal Mechanical signal Analog or digital electrical signal ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is zero 1 more than 1 less than 1 zero 1 more than 1 less than 1 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 The gain is increased beyond upper critical value The gain is decreased below lower critical value None of these Both A and B The gain is increased beyond upper critical value The gain is decreased below lower critical value None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
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