Theory of Machine Cross head and guides form a Sliding pair Turning pair Lower pair Higher pair Sliding pair Turning pair Lower pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for The control of speed fluctuations Vibration analysis Balancing of forces and couples Kinematic analysis The control of speed fluctuations Vibration analysis Balancing of forces and couples Kinematic analysis 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
Theory of Machine Lower pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Is perpendicular to that of velocity Is same as that of velocity Could be either same or opposite to velocity Is opposite to that of velocity Is perpendicular to that of velocity Is same as that of velocity Could be either same or opposite to velocity Is opposite to that of velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω × AB ω × (AB)² ω² × AB (ω × AB)² ω × AB ω × (AB)² ω² × AB (ω × AB)² ANSWER DOWNLOAD EXAMIANS APP