Automatic Control Systems The relative stability of a system is given by Phase margin alone Either (a) or (b) Both phase and gain margins Gain margin alone Phase margin alone Either (a) or (b) Both phase and gain margins Gain margin alone ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines Both (a) and (b) The life of controller Neither (a) nor (b) The level of accuracy Both (a) and (b) The life of controller Neither (a) nor (b) The level of accuracy ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. Increases the stability margin None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. Increases the stability margin 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 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 All ANSWER DOWNLOAD EXAMIANS APP
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