Which of the following transfer functions represent under damped second order systems? 2/(s² + 2s + 2) 1/(s² + s + 1) All of these 4/(s² + 2s + 4) TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements for phase lead compensation: The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. Phase lead compensation shifts the gain crossover frequency to the right both 1 and 2 nether 1 nor 2 TRUE ANSWER : ? YOUR ANSWER : ?
Open loop transfer function, band reject filter. all pass filter. band stop filter. None of these TRUE ANSWER : ? YOUR ANSWER : ?
A function of one or more variables which conveys information about the nature of physical phenomenon is called system. signal. noise. interference. TRUE ANSWER : ? YOUR ANSWER : ?
Find the relation of damped natural frequency (ωd) (ωn) √(1-4ζ²) (ωn) √(1-1/ζ²) (ωn) √(1-ζ²) (ωn) √(1-2ζ²) TRUE ANSWER : ? YOUR ANSWER : ?
A proportional plus derivative controller has high sensitivity increases the stability of the system improves the steady state accuracy both 1 and 2 TRUE ANSWER : ? YOUR ANSWER : ?
The second order system defined by 25/(s2 + 5s + 25) is given a step input. The time taken for the output to settle with in 2 % of input is 1.2 sec. 1.6 sec. 0.4 sec. 2 sec. TRUE ANSWER : ? YOUR ANSWER : ?
Angle condition for complimentary root locus or inverse root locus is ± (2q + 1) 180° ± (2q + 1) 360° ± (2q) 360° ± (2q) 180° TRUE ANSWER : ? YOUR ANSWER : ?
Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ? either 1 or 2 S is on root locus None of these S is not on root locus TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is/are the example of actuator? All Pneumatic motor Electric motor Hydraulic motor TRUE ANSWER : ? YOUR ANSWER : ?