Automatic Control Systems The sensor generally used in incremental optical encoder is LCD Photodiode LED Either (a) or (b) LCD Photodiode LED Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Armature resistance Motor friction and load Field resistance Back emf Armature resistance Motor friction and load Field resistance Back emf ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Slotted armature Either A or B Surface wound with stationary rotor Surface wound armature Slotted armature Either A or B Surface wound with stationary rotor Surface wound armature ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If poles lie in first quadrant, damping ratio is 1 Zero More than 1 less than 1 1 Zero More than 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is close to 1 Gain margin is high Gain margin is high and phase margin is 180° ANSWER DOWNLOAD EXAMIANS APP
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