Control Systems Negative feedback in a closed loop control system reduces gain. improves disturbance rejection. All of these reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. All of these reduces sensitivity to parameter variation. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by 0.5∠0° 2∠90° 0.5∠10° 1∠0° 0.5∠0° 2∠90° 0.5∠10° 1∠0° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a feedback control is 2s4 + s3 + 3s2 + 5s + 10 = 0. The no of roots in the right half of the s-plane is 0. 2. 4. 3. 0. 2. 4. 3. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If gain k is increased to infinity, then damping ratio will tend to become unity infinite zero 0.707 unity infinite zero 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system of constant voltage and constant frequency is called _________________ system. None of these feedback. infinite. zero. None of these feedback. infinite. zero. 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 over damped system. critically damped system. undamped system . under damped system. over damped system. critically damped system. undamped system . under damped system. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS