The transfer function of the control system depends on the system parameters alone. initial conditions of input and output. nature of the input. nature of the output. TRUE ANSWER : ? YOUR ANSWER : ?
A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 4 5 10 6.5 TRUE ANSWER : ? YOUR ANSWER : ?
Force balancing equation for elastic element (K) is (where, x = displacement) K dx/dt K *x K d2x/dt2 None of these TRUE ANSWER : ? YOUR ANSWER : ?
The transfer function of a linear time invariant system is given as G(s) = 10/(s² + 10s + 10). The steady state value of the output of the system for step input applied at time instant t=2 sec will be infinity 0 undefined 1 TRUE ANSWER : ? YOUR ANSWER : ?
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. 4. 3. 2. TRUE ANSWER : ? YOUR ANSWER : ?
A proportional plus integral controller it increases rise time has high sensitivity increases the stability of the system both 2 and 3 TRUE ANSWER : ? YOUR ANSWER : ?
Negative feedback in a closed loop control system All of these reduces gain. reduces sensitivity to parameter variation. improves disturbance rejection. TRUE ANSWER : ? YOUR ANSWER : ?
A system of constant voltage and constant frequency is called _________________ system. feedback. infinite. zero. None of these TRUE ANSWER : ? YOUR ANSWER : ?
In signal flow graph output node is node having only------------ outgoing branches incoming branches None of these both 1 and 2 TRUE ANSWER : ? YOUR ANSWER : ?