Machine Design Which is correct statement? Stress concentration in static 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 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 = [(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 T₁/T₂ = (μθ)n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Equally serious in both cases Brittle materials Ductile materials Depends on other factors Equally serious in both cases Brittle materials Ductile materials Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-half One-fourth Double One-third One-half One-fourth Double One-third ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be 4 10 8 6 4 10 8 6 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a belt drive is transmitting maximum power, Effective tension is half of centrifugal tension Driving tension on slack side is equal to centrifugal tension Driving tension on tight side is twice the centrifugal tension Effective tension is equal to centrifugal tension Effective tension is half of centrifugal tension Driving tension on slack side is equal to centrifugal tension Driving tension on tight side is twice the centrifugal tension Effective tension is equal to centrifugal tension ANSWER DOWNLOAD EXAMIANS APP
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