Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Varies exponentially, being more at the torque-input end Varies linearly Varies exponentially, being less at the torque-input end Is uniform throughout Varies exponentially, being more at the torque-input end Varies linearly Varies exponentially, being less at the torque-input end Is uniform throughout ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 60° 45° 90° 75° 60° 45° 90° 75° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/8 d/2 d/6 d/4 d/8 d/2 d/6 d/4 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 = [(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 T₁/T₂ = (μθ)n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rivets are generally specified by Thickness of plates to be riveted Diameter of head Length of rivet Nominal diameter Thickness of plates to be riveted Diameter of head Length of rivet Nominal diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Completely reversed load Static load Dynamic load Static as well as dynamic load Completely reversed load Static load Dynamic load Static as well as dynamic load ANSWER DOWNLOAD EXAMIANS APP
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