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? 60° 360° 120° 180° 60° 360° 120° 180° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead network is used to improve steady state response. both A and C. increase bandwidth. improve transient response. improve steady state response. both A and C. increase bandwidth. improve transient response. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In which of the following controller band width is increased? proportional plus integral controller proportional plus derivative controller both 1 and 2 nether 1 nor 2 proportional plus integral controller proportional plus derivative controller both 1 and 2 nether 1 nor 2 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 0.707 unity zero infinite 0.707 unity zero infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems To achieve the optimum transient response, the indicating instruments are so designed as to provide damping which is slightly less than the critical value. be undamped. be critically damped. provide damping which is slightly more than the critical value. provide damping which is slightly less than the critical value. be undamped. be critically damped. provide damping which is slightly more than the critical value. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 4/(s² + 2s + 4) All of these 1/(s² + s + 1) 2/(s² + 2s + 2) 4/(s² + 2s + 4) All of these 1/(s² + s + 1) 2/(s² + 2s + 2) ANSWER DOWNLOAD EXAMIANS APP