Control Systems Which of the following is/are the characteristics of negative feedback control system? Low sensitivity to parameter variations All of these Reduction in gain at the expense of better stability Rejection of disturbance signals Low sensitivity to parameter variations All of these Reduction in gain at the expense of better stability Rejection of disturbance signals ANSWER DOWNLOAD EXAMIANS APP
Control Systems The error of a system to a ramp input is 1/5, if the type of the system is decreased by one, then the error of unit step input is 0.2 0.167 5 6/5 0.2 0.167 5 6/5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage? 1.5 Volt. 2.5 Volt. 2.0 Volt. 1.0 Volt. 1.5 Volt. 2.5 Volt. 2.0 Volt. 1.0 Volt. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control system is given by s³ + 5s² + (k + 6)s + k = 0. In the root loci diagram, the asymptotes of the root loci for large 'k' meet at a point in the s-plane whose coordinates are (2,0) (-1,0) (-2,0) (1,0) (2,0) (-1,0) (-2,0) (1,0) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The angle condition used for checking whether any point lies on root locus or not is........... ± (2q) 360o. ± (2q + 1) 360o. ± (2q) 180o. ± (2q + 1) 180o. ± (2q) 360o. ± (2q + 1) 360o. ± (2q) 180o. ± (2q + 1) 180o. ANSWER DOWNLOAD EXAMIANS APP
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