Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines The level of accuracy Both (a) and (b) Neither (a) nor (b) The life of controller The level of accuracy Both (a) and (b) Neither (a) nor (b) The life of controller ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following features is not associated with Nichols chart? 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° 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 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature Either A or B Slotted armature Surface wound with stationary rotor Surface wound armature ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If any term in the first column of a Routh array becomes zero, then Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a big positive number for zero and completing the array Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a big positive number for zero and completing the array ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus None of these To the left and making the system more stable To the right Towards right or left depending on the position of new pole None of these To the left and making the system more stable To the right Towards right or left depending on the position of new pole ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If poles lie in first quadrant, damping ratio is More than 1 1 Zero less than 1 More than 1 1 Zero less than 1 ANSWER DOWNLOAD EXAMIANS APP