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 16 4 1 64 16 4 1 64 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead compensator is used to improve ------------------ Steady state response Transient response Both 1 and 2 None of these Steady state response Transient response Both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit step response of the system is 1 - e-t(1+t). Which is the system? oscillatory critically stable stable unstable oscillatory critically stable stable unstable ANSWER DOWNLOAD EXAMIANS APP
Control Systems Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be c(t)u(t) c(t-1).u(t) c(t-1).u(t-1) c(t).u(t-1) c(t)u(t) c(t-1).u(t) c(t-1).u(t-1) c(t).u(t-1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator a < kb. a < b. a > kb. b < a. a < kb. a < b. a > kb. b < a. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? sin-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 cos-1((1 - α)/(1 + α) sin-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 cos-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
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