Control Systems Force balancing equation for elastic element (K) is (where, x = displacement) K d2x/dt2 K dx/dt None of these K *x K d2x/dt2 K dx/dt None of these K *x ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 80° 60° 30° 45° 80° 60° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 4/5 3/4 3/5 3/7 4/5 3/4 3/5 3/7 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are represents the lag compensator? (s+2)/(s+5) (s+5)/(s+6) (s+2)/(s+1) both 1 and 2 (s+2)/(s+5) (s+5)/(s+6) (s+2)/(s+1) both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feed back system has forward transfer function The range of k for the system to be stable is None of these 0 < k < 39. 0 < k < 3900. 0 < k < 390. None of these 0 < k < 39. 0 < k < 3900. 0 < k < 390. 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 (-2,0) (2,0) (1,0) (-1,0) (-2,0) (2,0) (1,0) (-1,0) ANSWER DOWNLOAD EXAMIANS APP