Theory of Machine In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is 12 32 25 16 12 32 25 16 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In railway axle boxes, the bearing used is Deep groove ball bearing Double row self aligning ball bearing Cylindrical roller bearing Double row spherical roller bearing Deep groove ball bearing Double row self aligning ball bearing Cylindrical roller bearing Double row spherical roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is due to the Primary unbalanced force Two cylinders of locomotive Partial balancing Secondary unbalanced force Primary unbalanced force Two cylinders of locomotive Partial balancing Secondary unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) R (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) R (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP