Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.5 0.2 0.35 0.65 0.5 0.2 0.35 0.65 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, Its hardness and strength increases Both (A) and (B) None of these It is worked below recrystallization temperature Its hardness and strength increases Both (A) and (B) None of these It is worked below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends on Relative elastic yielding (springness) of the bolt and the connected member All of these External load applied Initial tension Relative elastic yielding (springness) of the bolt and the connected member All of these External load applied Initial tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The acme threads are usually found on Screw cutting lathes Feed mechanism of machine tools Railway carriage couplings Spindles of bench vices Screw cutting lathes Feed mechanism of machine tools Railway carriage couplings Spindles of bench vices ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to (T₁ - T₂ + Tc)/2 T₁ - T₂ + Tc T₁ + T₂ + Tc (T₁ + T₂ + Tc)/2 (T₁ - T₂ + Tc)/2 T₁ - T₂ + Tc T₁ + T₂ + Tc (T₁ + T₂ + Tc)/2 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 = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ log (T₁/T₂) = μθ ANSWER DOWNLOAD EXAMIANS APP