Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Higher pair Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the center of drum, and n = Number of blocks) T₁/T₂ = (μ θ)n T₁/T₂ = μ. θ. n T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n T₁/T₂ = (μ θ)n T₁/T₂ = μ. θ. n T₁/T₂ = [(1 - μ tanθ)/(1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/(1 - μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of lower pair is Shaft revolving in a bearing Straight line motion mechanisms Automobile steering gear All of these Shaft revolving in a bearing Straight line motion mechanisms Automobile steering gear All of these 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 - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - sinθ) R (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A reed type tachometer use the principle of Longitudinal vibration Damped free vibration Torsional vibration Transverse vibration Longitudinal vibration Damped free vibration Torsional vibration Transverse vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Turning pair Rolling pair Sliding pair Cylindrical pair Turning pair Rolling pair Sliding pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS