Find the relation of damped natural frequency (ωd) (ωn) √(1-4ζ²) (ωn) √(1-2ζ²) (ωn) √(1-1/ζ²) (ωn) √(1-ζ²) TRUE ANSWER : ? YOUR ANSWER : ?
A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 180° -180° 90° -90° TRUE ANSWER : ? YOUR ANSWER : ?
The low frequency and high frequency asymptotes of Bode magnitude plot are respectively -60dB/decade and -40dB/decade. What is the type of the system? TYPE III TYPE 0 TYPE I TYPE II TRUE ANSWER : ? YOUR ANSWER : ?
A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by 0.5∠0° 2∠90° 1∠0° 0.5∠10° TRUE ANSWER : ? YOUR ANSWER : ?
At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency ω = √K rad/sec. ω = K2 rad/sec. ω = 0 rad/sec. ω = K rad/sec. TRUE ANSWER : ? YOUR ANSWER : ?
Given the transfer function of a system. Which of the following characteristics does it have? Over damped any of the above Under damped Critical damped TRUE ANSWER : ? YOUR ANSWER : ?
The transfer function of a system given by The system is a critically damped. unstable. an under damped. an over damped. TRUE ANSWER : ? YOUR ANSWER : ?
The optimum values of damping ratio is -------------- 0.3 to 5 0.9 to 1.1 0 to 2 0.3 to 0.7 TRUE ANSWER : ? YOUR ANSWER : ?
By using which of the following elements, mechanical translational systems are obtained? All of these mass element dash-pot spring element TRUE ANSWER : ? YOUR ANSWER : ?