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 features is not associated with Nichols chart? The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system M loci are centred about (0 dB, -180°) point It is symmetric about -180° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) 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 and 2 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator None of these Speeds up the transient response Increases the stability margin Increases the stability margin and speeds up the transient-response. None of these Speeds up the transient response Increases the stability margin Increases the stability margin and speeds up the transient-response. ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems DC tachogenerator can be used in Position control system Both A and B Speed control system Neither A nor B Position control system Both A and B Speed control system Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If the poles lie in second quadrant, damping ratio is zero more than 1 less than 1 1 zero more than 1 less than 1 1 ANSWER DOWNLOAD EXAMIANS APP