Automatic Control Systems Which of the following features is not associated with Nichols chart? (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system It is symmetric about -180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines The level of accuracy 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) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Both (a) and (b) May lead to oscillatory response Removes offset Neither (a) nor (b) Both (a) and (b) May lead to oscillatory response Removes offset Neither (a) nor (b) 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 3 and 4 1 and 2 1, 2 and 3 All 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following is open loop system? Aqualing Respiratory system of animal Wind screen wiper System for controlling antirocket missiles Aqualing Respiratory system of animal Wind screen wiper System for controlling antirocket missiles ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The poles with greater displacement from the real axis correspond to Unbounded output Stable response Higher frequencies of oscillations Lower frequencies of oscillations Unbounded output Stable response Higher frequencies of oscillations Lower frequencies of oscillations ANSWER DOWNLOAD EXAMIANS APP
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