Control Systems The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes? 180° 360° 120° 60° 180° 360° 120° 60° 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 0 < k < 39. 0 < k < 390. None of these 0 < k < 3900. 0 < k < 39. 0 < k < 390. None of these 0 < k < 3900. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B d2x/dt2 B *x None of these B dx/dt B d2x/dt2 B *x None of these B dx/dt ANSWER DOWNLOAD EXAMIANS APP
Control Systems The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is 1.2 sec. 0.4 sec. 2 sec. 1.6 sec. 1.2 sec. 0.4 sec. 2 sec. 1.6 sec. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph output node is node having only------------ None of these both 1 and 2 incoming branches outgoing branches None of these both 1 and 2 incoming branches outgoing branches ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step response of the system is 1 - e-t(1+t). Which is the system? stable oscillatory critically stable unstable stable oscillatory critically stable unstable ANSWER DOWNLOAD EXAMIANS APP