Theory of Machine With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by EC S/2 2E²CS 2ECS 2ECS² EC S/2 2E²CS 2ECS 2ECS² ANSWER DOWNLOAD EXAMIANS APP
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 0.5 1 2 0.25 0.5 1 2 0.25 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 Will not occur Could change or remain unaltered depending on which link is fixed Will remain same Will change Will not occur Could change or remain unaltered depending on which link is fixed Will remain same Will change ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Increases Remain unaffected Decreases First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 1/2π 2π. √(q/I) 2π qI (1/2π). √(q/I) 1/2π 2π. √(q/I) 2π qI (1/2π). √(q/I) 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) 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 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
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