Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Smaller than Larger than None of these Equal to Smaller than Larger than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the upper limit and lower limit of a dimension is called Tolerance Actual size Basic size Nominal size Tolerance Actual size Basic size Nominal size ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the British Association thread is 55° 29° 47.3° 60° 55° 29° 47.3° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ultimate strength of steel in tension in comparison to shear is in the ratio of 0.085416666666667 0.12638888888889 0.084027777777778 0.042361111111111 0.085416666666667 0.12638888888889 0.084027777777778 0.042361111111111 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is 50% of yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Approaches yield point Is 50% of yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Approaches yield point 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 log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ = μθ T₁/T₂ =eμθ log (T₁/T₂) = μθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP