Machine Design The anti-friction bearings Can carry both radial and thrust loads Have high initial cost All of these Have low starting and low running friction at moderate speeds Can carry both radial and thrust loads Have high initial cost All of these Have low starting and low running friction at moderate speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 3/ (3 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) 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) 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be 14 24 18 12 14 24 18 12 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal stress is __________ of the circumferential stress. Double Three-fourth Two-third One-half Double Three-fourth Two-third One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd3/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
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