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 B - N + 1. N - B + 1. N - 2B - 1. B + N. B - N + 1. N - B + 1. N - 2B - 1. B + N. ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a transfer function H (s) = P(s) / Q(s), where P (s) and Q (s) are polynomials in s. Then degree of P (s) is independent of degree of Q (s). maximum degree of P (s) and Q (s) differ at most by one. the degree of P (s) and Q (s) are same. the degree of P (s) is always greater than the degree of Q (s). degree of P (s) is independent of degree of Q (s). maximum degree of P (s) and Q (s) differ at most by one. the degree of P (s) and Q (s) are same. the degree of P (s) is always greater than the degree of Q (s). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations Rejection of disturbance signals All of these Reduction in gain at the expense of better stability Low sensitivity to parameter variations Rejection of disturbance signals All of these Reduction in gain at the expense of better stability ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) None of these B d2x/dt2 B *x B dx/dt None of these B d2x/dt2 B *x B dx/dt ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 2/(s² + 2s + 2) 1/(s² + s + 1) All of these 4/(s² + 2s + 4) 2/(s² + 2s + 2) 1/(s² + s + 1) All of these 4/(s² + 2s + 4) ANSWER DOWNLOAD EXAMIANS APP
Control Systems In a control system, an integrator is represented by 1 / s. 1 / s2. s. s2. 1 / s. 1 / s2. s. s2. ANSWER DOWNLOAD EXAMIANS APP
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