Control Systems The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is 1/(s² + 5 + 1) 5/(s² + 5 + 1) 1/(s+1)(s+5) 5/(s+1)(s+5) 1/(s² + 5 + 1) 5/(s² + 5 + 1) 1/(s+1)(s+5) 5/(s+1)(s+5) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step response of the system is 1 - e-t(1+t). Which is the system? oscillatory unstable stable critically stable oscillatory unstable stable critically stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems When writing a transfer function which of the following loops are not valid loops? Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The magnitude of a transfer function G(jω)H(jω) at gain cross over frequency is 0 any of the above 1 infinity 0 any of the above 1 infinity ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B d2x/dt2 None of these B dx/dt B *x B d2x/dt2 None of these B dx/dt B *x ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system of constant voltage and constant frequency is called _________________ system. zero. None of these infinite. feedback. zero. None of these infinite. feedback. ANSWER DOWNLOAD EXAMIANS APP
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