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 infinite zero 0.707 unity infinite zero 0.707 unity ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the function F(s) = ω/(s²+ω²). Where F(s) = Laplace transform of f(t). The final value of f(t) is equal to zero infinite finite constant a value between -1 and +1 zero infinite finite constant a value between -1 and +1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The maximum phase lag occurs at the ------------------- of the two corner frequencies? arithmetic mean None of these geometric mean either 1 or 2 arithmetic mean None of these geometric mean either 1 or 2 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 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. stable and of the non-minimum phase type. ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.707 0.87 0.07 0.087 0.707 0.87 0.07 0.087 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 the degree of P (s) is always greater than the degree of Q (s). the degree of P (s) and Q (s) are same. maximum degree of P (s) and Q (s) differ at most by one. degree of P (s) is independent of degree of Q (s). the degree of P (s) is always greater than the degree of Q (s). the degree of P (s) and Q (s) are same. maximum degree of P (s) and Q (s) differ at most by one. degree of P (s) is independent of degree of Q (s). ANSWER DOWNLOAD EXAMIANS APP
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