Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 6.5 5 10 4 6.5 5 10 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation has the following roots for over damped stable system? -2,2 -2,-4 -2±j4 -2,-2 -2,2 -2,-4 -2±j4 -2,-2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? Remains unaffected 1/2 times None of these 2 times Remains unaffected 1/2 times None of these 2 times ANSWER DOWNLOAD EXAMIANS APP
Control Systems The angle condition used for checking whether any point lies on root locus or not is........... ± (2q) 180o. ± (2q) 360o. ± (2q + 1) 360o. ± (2q + 1) 180o. ± (2q) 180o. ± (2q) 360o. ± (2q + 1) 360o. ± (2q + 1) 180o. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The magnitude condition for root locus is .................. |G(s)H(s)| = 1 |G(s)H(s)| = 0 |G(s)H(s)| = ∞ |G(s)H(s)| = 2 |G(s)H(s)| = 1 |G(s)H(s)| = 0 |G(s)H(s)| = ∞ |G(s)H(s)| = 2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes? 180° 60° 360° 120° 180° 60° 360° 120° ANSWER DOWNLOAD EXAMIANS APP
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