Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B d2x/dt2 B dx/dt None of these B *x B d2x/dt2 B dx/dt None of these B *x ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as under damped system. undamped system. critically damped system. over damped system. under damped system. undamped system. critically damped system. over damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system is given as below, if a = 0.1, then the steady state error to unity ramp input will be 0.25. 0.16. 0.49. 0.35. 0.25. 0.16. 0.49. 0.35. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed 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 Negative feedback in a closed loop control system improves disturbance rejection. All of these reduces gain. reduces sensitivity to parameter variation. improves disturbance rejection. All of these reduces gain. reduces sensitivity to parameter variation. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Error at corner frequency ωcf of first order control system is ------- ±1 db ±4 db ±2 db ±3 db ±1 db ±4 db ±2 db ±3 db ANSWER DOWNLOAD EXAMIANS APP