Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 16 64 4 1 16 64 4 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM -ve. GM and PM both +ve. PM - ve. GM and PM both -ve. GM -ve. GM and PM both +ve. PM - ve. GM and PM both -ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (-1,0) (1,0) (-2,0) (2,0) (-1,0) (1,0) (-2,0) (2,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time taken by the response to reach and stay within a specified error is called Settling time. Peak time. Peak overshoot. Raise time. Settling time. Peak time. Peak overshoot. Raise time. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the conditions for the system to be stable? Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? All of these Reduces the overall gain. Complex and costly. Oscillatory response. All of these Reduces the overall gain. Complex and costly. Oscillatory response. ANSWER DOWNLOAD EXAMIANS APP