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 0.707 infinite zero unity 0.707 infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems A property of phase lead compensation is that the gain margin is reduced. overshoot is increased. bandwidth of closed loop system is reduced. rise time of closed loop system is reduced. gain margin is reduced. overshoot is increased. bandwidth of closed loop system is reduced. rise time of closed loop system is reduced. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by N - 2B - 1. B + N. B - N + 1. N - B + 1. N - 2B - 1. B + N. B - N + 1. N - B + 1. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a resistor in the line. a capacitor in parallel with the contacts. a reactor in the line. a capacitor in series with the contacts. a resistor in the line. a capacitor in parallel with the contacts. a reactor in the line. a capacitor in series with the contacts. ANSWER DOWNLOAD EXAMIANS APP
Control Systems An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is stable and of the non-minimum phase type. unstable and of the non minimum phase type . unstable and of the minimum phase type. stable and of the minimum phase type. stable and of the non-minimum phase type. unstable and of the non minimum phase type . unstable and of the minimum phase type. stable and of the minimum phase type. 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+1)2/s 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 ANSWER DOWNLOAD EXAMIANS APP