Control Systems Negative feedback in a closed loop control system reduces gain. improves disturbance rejection. reduces sensitivity to parameter variation. All of these reduces gain. improves disturbance rejection. reduces sensitivity to parameter variation. All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given below: The system is unstable critical stable marginally stable stable unstable critical stable marginally stable stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems A property of phase lead compensation is that the bandwidth of closed loop system is reduced. gain margin is reduced. overshoot is increased. rise time of closed loop system is reduced. bandwidth of closed loop system is reduced. gain margin is reduced. overshoot is increased. rise time of closed loop system is reduced. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is s/(s+1) s/(s+1)2 1/s(s+1)2 (s+1)2/s s/(s+1) s/(s+1)2 1/s(s+1)2 (s+1)2/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The initial slope of Bode plot for a transfer function having no poles at the origin is 0 dB/decade -10dB/decade. -20dB/decade. +10dB/decade. 0 dB/decade -10dB/decade. -20dB/decade. +10dB/decade. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is (2s+1)/(s+1)² (2s+1)/s² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/(s+1)² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP