Machine Design In hydrostatic bearings The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication ANSWER DOWNLOAD EXAMIANS APP
Machine Design Factor of safety for fatigue loading is the ratio of Elastic limit to the working stress Endurance limit to the working stress Young's modulus to the ultimate tensile strength Elastic limit to the yield point Elastic limit to the working stress Endurance limit to the working stress Young's modulus to the ultimate tensile strength Elastic limit to the yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Which one is rigid will depend on several other factors A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel Both will be equally rigid Which one is rigid will depend on several other factors A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel Both will be equally rigid ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on cotter varies from 1 in 15 to 1 in 10 1 in 24 to 1 in 20 1 in 32 to 1 in 24 1 in 48 to 1 in 24 1 in 15 to 1 in 10 1 in 24 to 1 in 20 1 in 32 to 1 in 24 1 in 48 to 1 in 24 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 The permissible stress for carbon steel under static loading is generally taken as 4000-4500 kg/cm² 3000-4000 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² 4000-4500 kg/cm² 3000-4000 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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