Control Systems To achieve the optimum transient response, the indicating instruments are so designed as to provide damping which is slightly less than the critical value. be undamped. be critically damped. provide damping which is slightly more than the critical value. provide damping which is slightly less than the critical value. be undamped. be critically damped. provide damping which is slightly more than the critical value. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- marginally stable stable unstable critical stable marginally stable stable unstable critical stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems When compared to a 1st order LPF, a 2nd order LPF has faster drop in filter response. lower voltage gain. higher cut off frequency. higher voltage gain. faster drop in filter response. lower voltage gain. higher cut off frequency. higher voltage gain. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? All of these 2/(s² + 2s + 2) 1/(s² + s + 1) 4/(s² + 2s + 4) All of these 2/(s² + 2s + 2) 1/(s² + s + 1) 4/(s² + 2s + 4) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has a transfer function 16/(s² + 4s + 16). Find the settling time for 2% tolerance? 10 sec 2 sec 5 sec 4 sec 10 sec 2 sec 5 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): PM - ve. GM -ve. GM and PM both -ve. GM and PM both +ve. PM - ve. GM -ve. GM and PM both -ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
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