Theory of Machine In its simplest form, a cam mechanism consists of following number of links 2 4 3 1 2 4 3 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) vBA /AB v²BA /AB v²BA vBA × AB vBA /AB v²BA /AB v²BA vBA × AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Spherical pair Sliding pair Rolling pair Turning pair Spherical pair Sliding pair Rolling pair Turning 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 = [(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 T₁/T₂ = (μ θ)n T₁/T₂ = μ. θ. n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod ANSWER DOWNLOAD EXAMIANS APP
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