If the bandwidth of the system is very large, the system response is slower faster independent of bandwidth None of these TRUE ANSWER : ? YOUR ANSWER : ?
A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot? π/4√3 sec π/2√3 sec π/√3 sec 2π/√3 sec TRUE ANSWER : ? YOUR ANSWER : ?
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 infinite 0.707 unity zero TRUE ANSWER : ? YOUR ANSWER : ?
Resonant peak of a marginally stable system is any of the above 0 infinite finite value TRUE ANSWER : ? YOUR ANSWER : ?
Time taken for the response to rise from zero to 100 % for very first time is called Delay time. Rise time. Settling time. Peak time. TRUE ANSWER : ? YOUR ANSWER : ?
Given the Laplace transform of f(t) = F(s), the Laplace transform of (f(t)e-at) is equal to eas*F(s) e-as*F(s) F(s+a) F(s)/(s+a) TRUE ANSWER : ? YOUR ANSWER : ?
For the polynomial , number of roots which lie in the right half of s-plane is 1 4 2 3 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? 2.0 Volt. 1.0 Volt. 1.5 Volt. 2.5 Volt. TRUE ANSWER : ? YOUR ANSWER : ?
In frequency response analysis of second order system, the error at corner frequency is -20 log2ξ 10 logξ 20 log2ξ -10 logξ TRUE ANSWER : ? YOUR ANSWER : ?
In the integral control of the single area system frequency error is reduced to zero. Then integrator o/p decreases and speed changer position comes down. integrator o/p increases but speed changer position comes down. integrator o/p decreases but speed changer position moves up. integrator output and speed changer position attain a constant value. TRUE ANSWER : ? YOUR ANSWER : ?