Machine Design Crowning on pulley helps To increase pulley life In decreasing the slip of the belt In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion To increase pulley life In decreasing the slip of the belt In increasing the slip of the belt To keep the belt in centre on a pulley while it is in motion ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. None of these Effective Largest Smallest None of these Effective Largest Smallest ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 110 kN/mm² 100 kN/mm² 210 kN/mm² 80 kN/mm² 110 kN/mm² 100 kN/mm² 210 kN/mm² 80 kN/mm² 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 1.875 × (π/4) d² × τ × n (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n (π/4) d² × τ × n 2 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is specified by its Pitch Pitch diameter Minor diameter Major diameter Pitch Pitch diameter Minor diameter Major diameter ANSWER DOWNLOAD EXAMIANS APP
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