Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on 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 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 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following is used to obtain output position in a position control system? Load cell Thermistor Synchro Strain gauge Load cell Thermistor Synchro Strain gauge ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound with stationary rotor Surface wound armature Slotted armature Either A or B Surface wound with stationary rotor Surface wound armature Slotted armature Either A or B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Either (a) or (b) Partly on stator and partly on rotor Stator Rotor Either (a) or (b) Partly on stator and partly on rotor Stator Rotor 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 1, 2 and 3 All 3 and 4 1 and 2 1, 2 and 3 All 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. True False True False ANSWER DOWNLOAD EXAMIANS APP