Machine Design In nitrated parts, the origins of the fatigue cracks will occur at None of these Surface Within the core Just below the surface None of these Surface Within the core Just below the surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design Factor of safety for fatigue loading is the ratio of Elastic limit to the working stress Young's modulus to the ultimate tensile strength Endurance limit to the working stress Elastic limit to the yield point Elastic limit to the working stress Young's modulus to the ultimate tensile strength Endurance limit to the working stress Elastic limit to the yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Ductile at high temperature Brittle under all conditions Brittle when cold Brittle when hot Ductile at high temperature Brittle under all conditions Brittle when cold Brittle when hot ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pitch point of a cam is A point on the pitch curve having maximum pressure angle Any point on the pitch circle A point on the pitch curve having minimum pressure angle Any point on the pitch curve A point on the pitch curve having maximum pressure angle Any point on the pitch circle A point on the pitch curve having minimum pressure angle Any point on the pitch curve ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks) T₁/T₂ = (μθ)n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = μθ × n T₁/T₂ = (μθ)n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = μθ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) T₁/T₂ =eμθ T₁/T₂ = μθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = μθ T₁/T₂ = log μθ log (T₁/T₂) = μθ ANSWER DOWNLOAD EXAMIANS APP