Machine Design A coupling used to connect two perfectly aligned shafts, is All of these Flange coupling Compression coupling Muff coupling All of these Flange coupling Compression coupling Muff coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration factor is defined as the ratio of Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the nominal stress Maximum stress to the endurance limit Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the nominal stress Maximum stress to the endurance limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of endurance limit in shear to the endurance limit in flexure is 0.55 0.5 0.33 0.4 0.55 0.5 0.33 0.4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take Times proportional to weight to reach earth None of these Times inversely proportional to weight to reach earth Same time to reach earth Times proportional to weight to reach earth None of these Times inversely proportional to weight to reach earth Same time to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) T₁/T₂ =eμθ T₁/T₂ = μθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = μθ T₁/T₂ = log μθ log (T₁/T₂) = μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 1.5 d d 2 d 2.5 d 1.5 d d 2 d 2.5 d ANSWER DOWNLOAD EXAMIANS APP