Theory of Machine Kinematic pairs are those which have Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component 2 ωv is same as that of the relative velocity vector v rotated at 90° in the direction of rotation of the link containing the path 45° in the direction of rotation of the link containing the path 45° in the direction opposite to the rotation of the link containing the path 180° in the direction opposite to the rotation of the link containing the path 90° in the direction of rotation of the link containing the path 45° in the direction of rotation of the link containing the path 45° in the direction opposite to the rotation of the link containing the path 180° in the direction opposite to the rotation of the link containing the path ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sensitiveness of the governor is defined as the ratio of the Mean speed to the minimum equilibrium speed Difference of the maximum and minimum equilibrium speeds to the mean speed Sum of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed Mean speed to the minimum equilibrium speed Difference of the maximum and minimum equilibrium speeds to the mean speed Sum of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Crank Crank pin Connecting rod Cross-head Crank Crank pin Connecting rod Cross-head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ - r₂) (1 - cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) (1 - cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) 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 ω² × OQ sinθ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ ω² × OQ sinθ ω² × OQ tanθ ANSWER DOWNLOAD EXAMIANS APP