Control Systems Which of the following is/are the characteristics of negative feedback control system? All of these Low sensitivity to parameter variations Rejection of disturbance signals Reduction in gain at the expense of better stability All of these Low sensitivity to parameter variations Rejection of disturbance signals Reduction in gain at the expense of better stability 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. initial conditions are assumed to be zero and the element is assumed to be not loaded. both initial conditions and loading are taken into account. 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. initial conditions are assumed to be zero and the element is assumed to be not loaded. both initial conditions and loading are taken into account. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of an initally relaxed linear system is e-2tu(t). To produce a response of te-2tu(t), the input must be equal to 2e-tu(t). e-2tu(t). (0.5)e-2tu(t). e-tu(t). 2e-tu(t). e-2tu(t). (0.5)e-2tu(t). e-tu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 1 16 4 64 1 16 4 64 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Two identical first order systems have been cascaded non interactively. The unit step response of the systems will be under damped un damped Over damped critical damped under damped un damped Over damped critical damped ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) 4/(s² + 2s + 4) 2/(s² + 2s + 2) All of these 1/(s² + s + 1) 4/(s² + 2s + 4) 2/(s² + 2s + 2) All of these ANSWER DOWNLOAD EXAMIANS APP
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