Machine Design The ball bearings are provided with a cage 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 To maintain the balls at a fixed distance apart To facilitate slipping of balls To prevent the lubricant from flowing out ANSWER DOWNLOAD EXAMIANS APP
Machine Design The arms of the pulleys for flat belt drive have Major axis in plane of rotation Elliptical cross-section Major axis twice the minor axis All the three characteristics Major axis in plane of rotation Elliptical cross-section Major axis twice the minor axis All the three characteristics ANSWER DOWNLOAD EXAMIANS APP
Machine Design I.S. specifies following total number of grades of tolerances 18 16 22 20 18 16 22 20 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 67.5° 22.5° 90° 45° 67.5° 22.5° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called Castle nut Jam nut Sawn nut Ring nut Castle nut Jam nut Sawn nut Ring nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. One-eighth One-half One-fourth Double One-eighth One-half One-fourth Double ANSWER DOWNLOAD EXAMIANS APP