Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. Smallest None of these Effective Largest Smallest None of these Effective Largest 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 = 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that The effect of curvature of the cylinder wall is neglected The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls All of these The effect of curvature of the cylinder wall is neglected The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt Is provided with pointed threads Has a head on one end and a nut fitted to the other Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded Is provided with pointed threads Has a head on one end and a nut fitted to the other Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having closed ends, the fluid pressure induces None of these Circumferential stress Shear stress Longitudinal stress None of these Circumferential stress Shear stress Longitudinal stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Bending plus stress due to acceleration/retardation ANSWER DOWNLOAD EXAMIANS APP
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