Control Systems When the polynomial is Routh Hurwitz, all zeroes lie in the right half of the s-plane. the function is not real. the roots of function have real parts which are to be zero/negative. none of these. all zeroes lie in the right half of the s-plane. the function is not real. the roots of function have real parts which are to be zero/negative. none of these. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator? 45° 60° 90° 30° 45° 60° 90° 30° 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? cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) tan-1((1 - α)/(2√α) both 1 and 3 sin-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as critically damped system. undamped system . over damped system. under damped system. critically damped system. undamped system . over damped system. under damped system. 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).u(t-1) c(t-1).u(t-1) c(t-1).u(t) c(t)u(t) c(t).u(t-1) c(t-1).u(t-1) c(t-1).u(t) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? (ωn) √(1-ζ²/2) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²) (ωn) √(1-2ζ²) (ωn) √(1-ζ²/2) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²) (ωn) √(1-2ζ²) ANSWER DOWNLOAD EXAMIANS APP