Automatic Control Systems The sensor generally used in incremental optical encoder is Photodiode LCD Either (a) or (b) LED Photodiode LCD Either (a) or (b) LED 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 1 and 2 3 and 4 All 1, 2 and 3 1 and 2 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of Magnitude and phase angle loci in log-magnitude versus phase diagram None of these Constant phase angle loci Constant magnitude loci Magnitude and phase angle loci in log-magnitude versus phase diagram None of these Constant phase angle loci Constant magnitude loci ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Bandwidth is proportional to speed of response. False True False True ANSWER DOWNLOAD EXAMIANS APP
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
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