Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. None of these More than Same as Less than None of these More than Same as Less than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following can completely balance several masses revolving in different planes on a shaft? Two masses in any two planes Two equal masses in any two planes A single mass in one of the planes of the revolving masses A single mass in different planes Two masses in any two planes Two equal masses in any two planes A single mass in one of the planes of the revolving masses A single mass in different planes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will Reduce length of effective stroke of piston Cause withdrawing or throttling of steam All of the listed here Reduce maximum opening of port to steam Reduce length of effective stroke of piston Cause withdrawing or throttling of steam All of the listed here Reduce maximum opening of port to steam ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Damping coefficient Damping factor Magnification factor Logarithmic decrement Damping coefficient Damping factor Magnification factor Logarithmic decrement ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 0.4985/√δ 1/2π × √(s/m) 1/2π × √(g/δ) Any one of the listed here 0.4985/√δ 1/2π × √(s/m) 1/2π × √(g/δ) Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction gives a graphic construction for Four bar chain mechanism Acceleration polygon Slider-crank mechanism Velocity polygon Four bar chain mechanism Acceleration polygon Slider-crank mechanism Velocity polygon ANSWER DOWNLOAD EXAMIANS APP
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