Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines Both (a) and (b) The level of accuracy The life of controller Neither (a) nor (b) Both (a) and (b) The level of accuracy The life of controller Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Pneumatic systems Hydraulic systems and thermal systems Thermal systems Thermal, hydraulic and pneumatic systems Pneumatic systems Hydraulic systems and thermal systems Thermal systems Thermal, hydraulic and pneumatic systems 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 3 and 4 1 and 2 All 1, 2 and 3 3 and 4 1 and 2 All 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For any transfer function, the constant phase angle loci are A family of circles Either (a) or (b) Neither (a) nor (b) A family of straight lines A family of circles Either (a) or (b) Neither (a) nor (b) A family of straight lines ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Proportional Both (b) and (c) Derivative Integral Proportional Both (b) and (c) Derivative Integral 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 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° (0 dB, -180°) point on Nichols chart represent critical Point (-1, 0) M loci are centred about (0 dB, -180°) point ANSWER DOWNLOAD EXAMIANS APP
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