Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.25 2 0.5 1 0.25 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is 9/128 44082 44090 30195 9/128 44082 44090 30195 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) m/(m + M) (m + M)/m (m + M)/M M/(m + M) m/(m + M) (m + M)/m (m + M)/M M/(m + M) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 80 to 100 r.p.m. 200 to 300 r.p.m. 100 to 200 r.p.m. 60 to 80 r.p.m. 80 to 100 r.p.m. 200 to 300 r.p.m. 100 to 200 r.p.m. 60 to 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links Could change or remain unaltered depending on which link is fixed Will change Will not occur Will remain same Could change or remain unaltered depending on which link is fixed Will change Will not occur Will remain same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. None of these Self-closed Force-closed Friction closed None of these Self-closed Force-closed Friction closed ANSWER DOWNLOAD EXAMIANS APP
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