A proportional plus derivative controller both 1 and 2 increases the stability of the system has high sensitivity improves the steady state accuracy TRUE ANSWER : ? YOUR ANSWER : ?
Force balancing equation of a dash-pot element is (where, x = displacement) B *x B dx/dt None of these B d2x/dt2 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 2 sec. 1.6 sec. 1.2 sec. 0.4 sec. TRUE ANSWER : ? YOUR ANSWER : ?
The position and velocity error coefficient for the transfer function given below are respectively 0 and infinity. 50 and infinity. 0 and 0. 50 and 0. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following represents the value of resonant frequency (ωr)? 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) TRUE ANSWER : ? YOUR ANSWER : ?
If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 1 0.5 4 2 TRUE ANSWER : ? YOUR ANSWER : ?
Advantages of open loop control system is/are accurate. simple and economical. reliable. All of these TRUE ANSWER : ? YOUR ANSWER : ?
The transfer functions of two compensators are given below. Which one is correct? which one is correct? C1 is a lead compensator and C2 i C1 is a lag compensator and C2 i Both C1 and C2 are lead compensator. Both C1 and C2 are lag compensator. TRUE ANSWER : ? YOUR ANSWER : ?