Transient response is improved in case of both A and B. lead network. lag network. none of these. TRUE ANSWER : ? YOUR ANSWER : ?
The characteristic equation has the following roots for over damped stable system? -2,-4 -2,-2 -2,2 -2±j4 TRUE ANSWER : ? YOUR ANSWER : ?
The maximum phase lag occurs at the ------------------- of the two corner frequencies? None of these either 1 or 2 geometric mean arithmetic mean TRUE ANSWER : ? YOUR ANSWER : ?
What is the open loop DC gain of a unity feedback control system having closed loop transfer function as 9/4 4/9 4/13 13/4 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? 5 sec 4 sec 2 sec 6 sec TRUE ANSWER : ? YOUR ANSWER : ?
In signal flow graph output node is node having only------------ both 1 and 2 outgoing branches None of these incoming branches TRUE ANSWER : ? YOUR ANSWER : ?
The open loop transfer function of non unity negative feedback system is , then the number of root locus branches equal to 1. 2. 3. 0. TRUE ANSWER : ? YOUR ANSWER : ?
The closed loop transfer function of a system is 25/(s² + 25). The settling time of the system is 5 sec ∞ sec 1 sec 25 sec TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is/are the advantages of a closed loop control system? both 1 and 2. The closed loop systems are accurate. nether 1 nor 2. The closed loop systems are less affected by noise. TRUE ANSWER : ? YOUR ANSWER : ?