Control Systems Find the conditions for the system to be stable? Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative Gain margin and phase margins are negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as undamped system. critically damped system. over damped system. under damped system. undamped system. critically damped system. over damped system. under damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The angle condition used for checking whether any point lies on root locus or not is........... ± (2q + 1) 180o. ± (2q + 1) 360o. ± (2q) 360o. ± (2q) 180o. ± (2q + 1) 180o. ± (2q + 1) 360o. ± (2q) 360o. ± (2q) 180o. ANSWER DOWNLOAD EXAMIANS APP
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 Find the angles of asymptotes of the open loop transfer function G(s) = k(s + 1)/((s(s+2)(s+4)? 0°, 180° 60°,240° 90°,180° 90°,270° 0°, 180° 60°,240° 90°,180° 90°,270° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the following statements for phase lead compensation: Phase lead compensation shifts the gain crossover frequency to the right nether 1 nor 2 both 1 and 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. Phase lead compensation shifts the gain crossover frequency to the right nether 1 nor 2 both 1 and 2 The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. ANSWER DOWNLOAD EXAMIANS APP
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