Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as undamped system . critically damped system. under damped system. over damped system. undamped system . critically damped system. under damped system. over damped system. 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 gain k is increased to infinity, then damping ratio will tend to become infinite 0.707 unity zero infinite 0.707 unity zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead network is used to both A and C. improve transient response. improve steady state response. increase bandwidth. both A and C. improve transient response. improve steady state response. increase bandwidth. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10? 0 2 infinite 5 0 2 infinite 5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²) (ωn) √(1-ζ²/2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the initial value? 1/4 0 3/9 3/5 1/4 0 3/9 3/5 ANSWER DOWNLOAD EXAMIANS APP