Theory of Machine Which gear train is used for higher velocity ratios in a small space? Compound gear train Epicyclic gear train Reverted gear train Simple gear train Compound gear train Epicyclic gear train Reverted gear train Simple gear train 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 2 0.25 1 0.5 2 0.25 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 2 fn fn/2 8 fn 4 fn 2 fn fn/2 8 fn 4 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Variation in tractive force along the line of stroke Hammer blow All of these Swaying couple Variation in tractive force along the line of stroke Hammer blow All of these Swaying couple ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ sinθ ω² × OQ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam angle is defined as the angle Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Through which, the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Through which, the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position ANSWER DOWNLOAD EXAMIANS APP
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