Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 3/(3 + v) 4.5/(4.5 + v) 6/(6 + v) 0.75/(0.75 + √v) 3/(3 + v) 4.5/(4.5 + v) 6/(6 + v) 0.75/(0.75 + √v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that The effect of curvature of the cylinder wall is neglected The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls All of these The effect of curvature of the cylinder wall is neglected The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 3.6 N/mm² compression 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² tension 3.6 N/mm² compression 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on cotter varies from 1 in 24 to 1 in 20 1 in 32 to 1 in 24 1 in 15 to 1 in 10 1 in 48 to 1 in 24 1 in 24 to 1 in 20 1 in 32 to 1 in 24 1 in 15 to 1 in 10 1 in 48 to 1 in 24 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of endurance limit in shear to the endurance limit in flexure is 0.55 0.4 0.5 0.33 0.55 0.4 0.5 0.33 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) 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 3 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP