Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A open loop transfer function is given as G(s) = (s+2)/(s+1)(s-1). Find the number of encirclements about '-1+j0'? 0 2 3 1 0 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B *x None of these B dx/dt B d2x/dt2 B *x None of these B dx/dt B d2x/dt2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- marginally stable unstable critical stable stable marginally stable unstable critical stable stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems The low frequency and high frequency asymptotes of Bode magnitude plot are respectively -60dB/decade and -40dB/decade. What is the type of the system? TYPE III TYPE I TYPE 0 TYPE II TYPE III TYPE I TYPE 0 TYPE II ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) ANSWER DOWNLOAD EXAMIANS APP
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