The transfer function of the system described by d²/dt²(y(t)) + 3d/dt(y(t)) + 2y(t) = 5u(t) with u(t) as input and y(t) as output is s(s²+3s+2)/5 5/s(s²+3s+2) 5/(s²+3s+2) (s²+3s+2)/5 TRUE ANSWER : ? YOUR ANSWER : ?
Negative feedback in a closed loop control system reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. All of these TRUE ANSWER : ? YOUR ANSWER : ?
A controller transfer function is given by . What is its nature and parameter? lead compensator, α = 0.2 lead compensator, α = 0.1 lag compensator, β = 2 lag compensator, β = 10 TRUE ANSWER : ? YOUR ANSWER : ?
A system of constant voltage and constant frequency is called _________________ system. feedback. zero. None of these infinite. TRUE ANSWER : ? YOUR ANSWER : ?
Time response for a second order 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. TRUE ANSWER : ? YOUR ANSWER : ?
Time constant is defined as the time taken by the response of the system to reach ----------- ? 70.7% of the final value 63% of the final value 50% of the final value 100% of the final value TRUE ANSWER : ? YOUR ANSWER : ?
A ramp input applied to an unity feedback system results in 5% steady state error. The type number of the system is...........? 1 3 5 2 TRUE ANSWER : ? YOUR ANSWER : ?
Transient state analysis depends on which of the following? nether 1 nor 2 type of system order of system both 1 and 2 TRUE ANSWER : ? YOUR ANSWER : ?
A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 4 sec 5 sec 2 sec 6 sec TRUE ANSWER : ? YOUR ANSWER : ?
Angle condition for complimentary root locus or inverse root locus is ± (2q) 360° ± (2q) 180° ± (2q + 1) 180° ± (2q + 1) 360° TRUE ANSWER : ? YOUR ANSWER : ?