A controller transfer function is given by . What is its nature and parameter? lag compensator, β = 10 lead compensator, α = 0.1 lag compensator, β = 2 lead compensator, α = 0.2 TRUE ANSWER : ? YOUR ANSWER : ?
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)/(s+1)² (2s+1)/(s+1)² (2s+2)/s² TRUE ANSWER : ? YOUR ANSWER : ?
Given the transfer function of a system. Which of the following characteristics does it have? Under damped Over damped Critical damped any of the above TRUE ANSWER : ? YOUR ANSWER : ?
Find the conditions for the system to be stable? Gain margin and phase margins are negative Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive TRUE ANSWER : ? YOUR ANSWER : ?
The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 30° 80° 60° 45° TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is/are true statements? The steady state analysis depends on type of the system Transient state analysis depends on order of the system Type of the system is obtained from open loop transfer function All of these TRUE ANSWER : ? YOUR ANSWER : ?
The transfer function of a system is G(s) = 100/((s+1)(s+100)). For unit step input to the system the approximate settling time for 2% criterion is 100 sec 10 sec 400 sec 4 sec TRUE ANSWER : ? YOUR ANSWER : ?
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage? 1.5 Volt. 2.5 Volt. 2.0 Volt. 1.0 Volt. TRUE ANSWER : ? YOUR ANSWER : ?
Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is RLC circuit. RC circuit. LC circuit. RL Circuit. TRUE ANSWER : ? YOUR ANSWER : ?