Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 1 4 16 64 1 4 16 64 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Error at corner frequency ωcf of first order control system is ------- ±4 db ±1 db ±2 db ±3 db ±4 db ±1 db ±2 db ±3 db ANSWER DOWNLOAD EXAMIANS APP
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 Number of sign changes in the entries in 1st column of Routh array denotes the no. of open loop zeroes in RHP. roots of characteristic polynomial in RHP. zeroes of system in RHP. open loop poles in RHP. open loop zeroes in RHP. roots of characteristic polynomial in RHP. zeroes of system in RHP. open loop poles in RHP. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system reduces gain. All of these improves disturbance rejection. reduces sensitivity to parameter variation. reduces gain. All of these improves disturbance rejection. reduces sensitivity to parameter variation. 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 over damped system. under damped system. critically damped system. undamped system. over damped system. under damped system. critically damped system. undamped system. ANSWER DOWNLOAD EXAMIANS APP
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