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+1)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become zero unity infinite 0.707 zero unity infinite 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems When writing a transfer function which of the following loops are not valid loops? Neither 1 nor 2. Self loops at input node. Both 1 and 2. Self loops at output node. Neither 1 nor 2. Self loops at input node. Both 1 and 2. Self loops at output node. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Angle of asymptotes for complimentary root locus is (2q+1)*180/P (2q)*180/(P-Z) (2q+1)*180/(P-Z) (2q)*180/P (2q+1)*180/P (2q)*180/(P-Z) (2q+1)*180/(P-Z) (2q)*180/P ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of roots in left hand half of s plane if characteristic equation is s3 - 4s2 + s + 6 = 0 ? 1. 0. 3. 2. 1. 0. 3. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation has the following roots for over damped stable system? -2±j4 -2,-2 -2,-4 -2,2 -2±j4 -2,-2 -2,-4 -2,2 ANSWER DOWNLOAD EXAMIANS APP