Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher stress than the outer side It is subjected to a higher cyclic loading than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher stress than the outer side It is subjected to a higher cyclic loading than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design The number of slots in a 25 mm castle nut is 6 8 4 2 6 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the assembly of pulley, key and shaft Key is made the weakest All the three are designed for equal strength Pulley is made the weakest Key is made the strongest Key is made the weakest All the three are designed for equal strength Pulley is made the weakest Key is made the strongest ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Both the shafts are equally good None of these Shaft B is better than shaft A Shaft A is better than shaft B Both the shafts are equally good None of these Shaft B is better than shaft A Shaft A is better than shaft B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends upon Relative elastic yielding of the bolt and the connected members Initial tension due to tightening of the bolt All of these External load applied Relative elastic yielding of the bolt and the connected members Initial tension due to tightening of the bolt All of these External load applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) 3 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP