Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 5 N-m 10 N-m 7 N-m 15 N-m 5 N-m 10 N-m 7 N-m 15 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately 0.6 times 0.8 times 0.4 times 0.7 times 0.6 times 0.8 times 0.4 times 0.7 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Its ability to absorb shocks Load required to produce unit deflection Ratio of coil diameter to wire diameter Its capability of storing energy Its ability to absorb shocks Load required to produce unit deflection Ratio of coil diameter to wire diameter Its capability of storing energy ANSWER DOWNLOAD EXAMIANS APP
Machine Design If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as b/2L 1 - (b/L) 1 - 2 b.L b/L b/2L 1 - (b/L) 1 - 2 b.L b/L ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of the pulley for rope drive is usually 35° 60° 45° 20° 35° 60° 45° 20° 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 = log μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = μθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = μθ ANSWER DOWNLOAD EXAMIANS APP
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