Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Rotor Either (a) or (b) Stator Partly on stator and partly on rotor Rotor Either (a) or (b) Stator Partly on stator and partly on rotor ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on None of these Both magnitude and phase relationship of voltages applied to the two stator windings Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings None of these Both magnitude and phase relationship of voltages applied to the two stator windings 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 Which control action can never be used alone? Both (b) and (c) Proportional Derivative Integral Both (b) and (c) Proportional Derivative Integral ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems DC tachogenerator can be used in Position control system Both A and B Neither A nor B Speed control system Position control system Both A and B Neither A nor B Speed control system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
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