Theory of Machine The lead screw of a lathe with nut forms a Screw pair Turning pair Rolling pair Sliding pair Screw pair Turning pair Rolling pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship. Vertically and perpendicular Horizontally and parallel Horizontally and perpendicular Vertically and parallel Vertically and perpendicular Horizontally and parallel Horizontally and perpendicular Vertically and parallel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Four bar chain mechanism Both (A) and (C) above Slider crank mechanism Quick return mechanism of shaper Four bar chain mechanism Both (A) and (C) above Slider crank mechanism Quick return mechanism of shaper ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of Coriolis component of acceleration is the direction Along the centripetal acceleration Along tangential acceleration Along perpendicular to angular velocity Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along the centripetal acceleration Along tangential acceleration Along perpendicular to angular velocity Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link 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 8 fn 2 fn fn/2 4 fn 8 fn 2 fn fn/2 4 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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