Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If 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 The impulse response of a linear system is e-t, (t > 0). The corresponding transfer function is 1/s 1/(s+1) 1/s(s+1) s/(s+1) 1/s 1/(s+1) 1/s(s+1) s/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead compensator is used to improve ------------------ Transient response Both 1 and 2 Steady state response None of these Transient response Both 1 and 2 Steady state response None of these 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 ? 0. 3. 1. 2. 0. 3. 1. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The poles of the second order system are at -3 ± j4. The damping ratio of the system is 3/4 3/5 3/7 4/5 3/4 3/5 3/7 4/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following controller has sluggish response? integral controller derivative controller proportional controller both 2 and 3 integral controller derivative controller proportional controller both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP