Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations Reduction in gain at the expense of better stability Rejection of disturbance signals All of these Low sensitivity to parameter variations Reduction in gain at the expense of better stability Rejection of disturbance signals All of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems When deriving the transfer function of linear element initial conditions are taken into account but the element is assumed to be not loaded. initial conditions are assumed to be zero but loading is taken into account. both initial conditions and loading are taken into account. initial conditions are assumed to be zero and the element is assumed to be not loaded. initial conditions are taken into account but the element is assumed to be not loaded. initial conditions are assumed to be zero but loading is taken into account. both initial conditions and loading are taken into account. initial conditions are assumed to be zero and the element is assumed to be not loaded. ANSWER DOWNLOAD EXAMIANS APP
Control Systems If two blocks having gains A and B respectively are in series connection, find the resultant gain using block diagram reduction technique? A-B A*B A+B A/B A-B A*B A+B A/B 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 unity infinite 0.707 zero unity infinite 0.707 zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)? 0 0.83 infinite 1 0 0.83 infinite 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 1 2 4 0.5 1 2 4 0.5 ANSWER DOWNLOAD EXAMIANS APP
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