Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Joining the corresponding points Perpendicular to line as per (A) At 45° to line as per (A) Not possible to determine with these data Joining the corresponding points Perpendicular to line as per (A) At 45° to line as per (A) Not possible to determine with these data ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Leads by 180° Lags by 90° Is in phase Leads by 90° Leads by 180° Lags by 90° Is in phase Leads by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to secφ cosφ sinφ cosecφ secφ cosφ sinφ cosecφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Spherical pair Screw pair Sliding pair Turning pair Spherical pair Screw pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding and turning pairs Sliding pairs only Sliding and rotary pairs Turning and rotary pairs Sliding and turning pairs Sliding pairs only Sliding and rotary pairs Turning and rotary pairs 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 cosθ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ ANSWER DOWNLOAD EXAMIANS APP