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 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 All 1, 2 and 3 3 and 4 1 and 2 All 1, 2 and 3 3 and 4 1 and 2 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 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 Gain margin is close to 1 Gain margin is high and phase margin is 180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points None of these Always occur in complex conjugate pairs Either lie on the real axis or occur in complex conjugate pairs lie on the real axis None of these Always occur in complex conjugate pairs Either lie on the real axis or occur in complex conjugate pairs lie on the real axis ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Hydraulic systems and thermal systems Thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems Hydraulic systems and thermal systems Thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems ANSWER DOWNLOAD EXAMIANS APP
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