Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Rotor 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 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Field resistance Armature resistance Motor friction and load Back emf Field resistance Armature resistance Motor friction and load Back emf ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In control systems the output of sensor usually, is Analog or digital electrical signal Digital electrical signal Analog electrical signal Mechanical signal Analog or digital electrical signal Digital electrical signal Analog electrical signal Mechanical signal ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is high ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The sensor generally used in incremental optical encoder is LED LCD Either (a) or (b) Photodiode LED LCD Either (a) or (b) Photodiode 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 increased beyond upper critical value Both A and B The gain is decreased below lower critical value None of these The gain is increased beyond upper critical value Both A and B The gain is decreased below lower critical value ANSWER DOWNLOAD EXAMIANS APP