Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero Gain margin is high and phase margin is 180° Gain margin is high Gain margin is close to 1 Gain margin is close to 1 or phase margin is zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The distance of poles from origin depends on Neither A nor B Damping ratio Both A and B Uqndamped natural frequency Neither A nor B Damping ratio Both A and B Uqndamped natural frequency 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 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In control systems the output of sensor usually, is Digital electrical signal Mechanical signal Analog electrical signal Analog or digital electrical signal Digital electrical signal Mechanical signal Analog electrical signal Analog or digital electrical signal ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Magnetic amplifier is used for Frequency amplification Power amplification Current amplification Voltage amplification Frequency amplification Power amplification Current amplification Voltage amplification ANSWER DOWNLOAD EXAMIANS APP