Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is less than 1 zero 1 more than 1 less than 1 zero 1 more than 1 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, 2 and 3 All 3 and 4 1 and 2 1, 2 and 3 All 3 and 4 1 and 2 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 Magnitudes of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings None of these Magnitudes of voltages applied to the two stator windings Both magnitude and phase relationship 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 A conditionally stable system is stable for the value of gain between two critical values. It is unstable if None of these The gain is decreased below lower critical value The gain is increased beyond upper critical value Both A and B None of these The gain is decreased below lower critical value The gain is increased beyond upper critical value Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Partly on stator and partly on rotor Either (a) or (b) Stator Rotor Partly on stator and partly on rotor Either (a) or (b) Stator Rotor ANSWER DOWNLOAD EXAMIANS APP
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