Theory of Machine In order to balance the reciprocating masses, None of these Secondary forces and couples must be balanced Primary forces and couples must be balanced Both (A) and (B) None of these Secondary forces and couples must be balanced Primary forces and couples must be balanced Both (A) and (B) 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 sinθ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ ω² × OQ sinθ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ 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 0.25 0.5 1 2 0.25 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of circle At the pin joint On their point of contact At the centre of curvature At the centre of circle At the pin joint On their point of contact At the centre of curvature ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Base circle Prime circle Pitch curve Pitch circle Base circle Prime circle Pitch curve Pitch circle ANSWER DOWNLOAD EXAMIANS APP
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