Automatic Control Systems The relative stability of a system is given by Phase margin alone Both phase and gain margins Either (a) or (b) Gain margin alone Phase margin alone Both phase and gain margins Either (a) or (b) Gain margin alone ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Lag compensation permits a high gain at low frequencies. False True False True 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 The poles with greater displacement from the real axis correspond to Lower frequencies of oscillations Unbounded output Higher frequencies of oscillations Stable response Lower frequencies of oscillations Unbounded output Higher frequencies of oscillations Stable response ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Speeds up the transient response of the system Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Speeds up the transient response of the system Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Armature resistance Field resistance Back emf Motor friction and load Armature resistance Field resistance Back emf Motor friction and load ANSWER DOWNLOAD EXAMIANS APP
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