Automatic Control Systems The relative stability of a system is given by Both phase and gain margins Phase margin alone Either (a) or (b) Gain margin alone Both phase and gain margins Phase margin alone Either (a) or (b) Gain margin alone ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines Both (a) and (b) The life of controller Neither (a) nor (b) The level of accuracy Both (a) and (b) The life of controller Neither (a) nor (b) The level of accuracy 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 Which of the following features is not associated with Nichols chart? M loci are centred about (0 dB, -180°) point (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 It is symmetric about -180° M loci are centred about (0 dB, -180°) point (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 It is symmetric about -180° ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Proportional Derivative Integral Both (b) and (c) Proportional Derivative Integral Both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Armature resistance Motor friction and load Back emf Field resistance Armature resistance Motor friction and load Back emf Field resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS