Machine Design Which is correct statement? Stress concentration in cyclic loading is Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 3 d 5 d 4 d 2 d 3 d 5 d 4 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key capable of tilting in a recess milled out in a shaft is known as Woodruff key Feather key Hollow saddle key Flat saddle key Woodruff key Feather key Hollow saddle key Flat saddle key 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 objective of idler pulley in belt drive is to Decrease the tendency of belt to slip Increase the wrap angle and belt tension Increase the power transmission capacity All the above objectives Decrease the tendency of belt to slip Increase the wrap angle and belt tension Increase the power transmission capacity All the above objectives ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Shot peening Grinding and lapping surface Hot working Cold working Shot peening Grinding and lapping surface Hot working Cold working ANSWER DOWNLOAD EXAMIANS APP
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