Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. Effective None of these Smallest Largest Effective None of these Smallest Largest ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure 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 = [(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 T₁/T₂ = μθ × n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rivet head used for boiler plate riveting is usually Counter sunk head Pan Head Conical head Snap head Counter sunk head Pan Head Conical head Snap head ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure Low efficiency High mechanical advantage High load lifting capacity High efficiency Low efficiency High mechanical advantage High load lifting capacity High efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two helical springs of equal lengths are arranged to form a cluster spring, then Only A is correct Both A and B is correct Load taken by each spring will be half the total load Shear stress in each spring will be equal Only A is correct Both A and B is correct Load taken by each spring will be half the total load Shear stress in each spring will be equal ANSWER DOWNLOAD EXAMIANS APP
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