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
Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Stator 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 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Surface wound armature Slotted armature Surface wound with stationary rotor Either A or B Surface wound armature Slotted armature Surface wound with stationary rotor Either A or B 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 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus To the left and making the system more stable None of these To the right Towards right or left depending on the position of new pole To the left and making the system more stable None of these To the right Towards right or left depending on the position of new pole ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The poles with greater displacement from the real axis correspond to Lower frequencies of oscillations Unbounded output Stable response Higher frequencies of oscillations Lower frequencies of oscillations Unbounded output Stable response Higher frequencies of oscillations ANSWER DOWNLOAD EXAMIANS APP
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