Machine Design Screws used for power transmission should have Strong teeth Very fine threads High efficiency Low efficiency Strong teeth Very fine threads High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 3.5 d d + 17 mm 2d + 13 mm 2d + 20 mm 3.5 d d + 17 mm 2d + 13 mm 2d + 20 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is Capable of tilting in a recess milled out in the shaft Fitted in pairs at right angles All of these A tapered key with head at one end Capable of tilting in a recess milled out in the shaft Fitted in pairs at right angles All of these A tapered key with head at one end ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts will have equal strength, if Twisting moment of both the shafts is same Angle of twist of both the shafts is same Diameter of both the shafts is same Material of both the shafts is same Twisting moment of both the shafts is same Angle of twist of both the shafts is same Diameter of both the shafts is same Material of both the shafts is same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The surface finish factor for a mirror polished material is 1 0.85 0.45 0.65 1 0.85 0.45 0.65 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
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