Machine Design The expansion joint is mostly used for pipes which carry steam at __________ pressures. Medium Low None of these High Medium Low None of these High ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which operates without any lubricant present, is called Hydrodynamic lubricated bearing Zero film bearing Boundary lubricated bearing Hydrostatic lubricated bearing Hydrodynamic lubricated bearing Zero film bearing Boundary lubricated bearing Hydrostatic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of idler pulley in belt drive is to All the above objectives Increase the wrap angle and belt tension Decrease the tendency of belt to slip Increase the power transmission capacity All the above objectives Increase the wrap angle and belt tension Decrease the tendency of belt to slip Increase the power transmission capacity 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 If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by N/Zp ZN/p Z/pN p/ZN N/Zp ZN/p Z/pN p/ZN ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 7.2 N/mm² compression 3.6 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² tension ANSWER DOWNLOAD EXAMIANS APP
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