Control Systems The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 25 sec ∞ sec 5 sec 1 sec 25 sec ∞ sec 5 sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.087 0.07 0.87 0.707 0.087 0.07 0.87 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation has the following roots for over damped stable system? -2,-2 -2,2 -2,-4 -2±j4 -2,-2 -2,2 -2,-4 -2±j4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given the Laplace transform of f(t) = F(s), the Laplace transform of (f(t)e-at) is equal to F(s+a) F(s)/(s+a) e-as*F(s) eas*F(s) F(s+a) F(s)/(s+a) e-as*F(s) eas*F(s) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system is initially critical damped. If the gain of the system is doubled, then it will exhibit undamped characteristics. over damped characteristics. under damped characteristics. critical damped characteristics. undamped characteristics. over damped characteristics. under damped characteristics. critical damped characteristics. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP