Control Systems Find the conditions for the system to be stable? Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin and phase margins are negative Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin and phase margins are negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems In frequency response analysis of second order system, the error at corner frequency is 20 log2ξ -10 logξ 10 logξ -20 log2ξ 20 log2ξ -10 logξ 10 logξ -20 log2ξ 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)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot? 2π/√3 sec π/4√3 sec π/√3 sec π/2√3 sec 2π/√3 sec π/4√3 sec π/√3 sec π/2√3 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems The Laplace transform of a transportation lag of 5 seconds is e5s. e-5s. 1/(s+5). 1/(s-5). e5s. e-5s. 1/(s+5). 1/(s-5). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of the system described by the differential equation will be (1/3) × (1-e-3t). 1/3. e6t. e-3t u(t). (1/3) × (1-e-3t). 1/3. e6t. e-3t u(t). ANSWER DOWNLOAD EXAMIANS APP
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