Automatic Control Systems The sensor generally used in incremental optical encoder is LCD Photodiode LED Either (a) or (b) LCD Photodiode LED Either (a) or (b) 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 (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point It is symmetric about -180° The frequency at intersection of G(j?) locus and M = +3 dB locus gives bandwidth of closed loop system (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point It is symmetric about -180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Hydraulic systems and thermal systems Thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems Hydraulic systems and thermal systems Thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action May lead to oscillatory response Neither (a) nor (b) Removes offset Both (a) and (b) May lead to oscillatory response Neither (a) nor (b) Removes offset Both (a) and (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 All 1, 2 and 3 3 and 4 1 and 2 All 1, 2 and 3 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. True False True False ANSWER DOWNLOAD EXAMIANS APP
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