Machine Design The ball bearings are provided with a cage To maintain the balls at a fixed distance apart To facilitate slipping of balls To prevent the lubricant from flowing out To reduce friction To maintain the balls at a fixed distance apart To facilitate slipping of balls To prevent the lubricant from flowing out To reduce friction 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 A V-belt designated as B 4430 LP has 4430 mm as diameter of large pulley 4430 mm as diameter of small pulley 4430 mm as centre distance between pulleys 4430 mm as nominal pitch length 4430 mm as diameter of large pulley 4430 mm as diameter of small pulley 4430 mm as centre distance between pulleys 4430 mm as nominal pitch length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The surface finish factor for a mirror polished material is 1 0.85 0.65 0.45 1 0.85 0.65 0.45 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Slenderness ratio is the ratio of Effective length of column to least radius of gyration of the column Effective length of column to width of column Width of column to depth of column Maximum size of column to minimum size of column Effective length of column to least radius of gyration of the column Effective length of column to width of column Width of column to depth of column Maximum size of column to minimum size of column ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase its length Tighten die bolt properly Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Tighten die bolt properly Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread ANSWER DOWNLOAD EXAMIANS APP