Automatic Control Systems The relative stability of a system is given by Both phase and gain margins Phase margin alone Either (a) or (b) Gain margin alone Both phase and gain margins Phase margin alone Either (a) or (b) 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 The life of controller Both (a) and (b) Neither (a) nor (b) The level of accuracy The life of controller Both (a) and (b) Neither (a) nor (b) The level of accuracy ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Bode plot Nichols chart Root locus Nyquist plot Bode plot Nichols chart Root locus Nyquist plot ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Magnetic amplifier is used for Power amplification Frequency amplification Current amplification Voltage amplification Power amplification Frequency amplification Current amplification Voltage amplification 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 All 1 and 2 3 and 4 1, 2 and 3 All 1 and 2 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A conditionally stable system is stable for the value of gain between two critical values. It is unstable if None of these Both A and B The gain is decreased below lower critical value The gain is increased beyond upper critical value None of these Both A and B The gain is decreased below lower critical value The gain is increased beyond upper critical value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS