Machine Design Screws used for power transmission should have Strong teeth High efficiency Very fine threads Low efficiency Strong teeth High efficiency Very fine threads Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design In V-belt drive, belt touches Could touch anywhere At sides only At bottom Both at bottom and sides Could touch anywhere At sides only At bottom Both at bottom and sides ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Ensure uniform loading Reduce slip Reduce vibration Ensure proper alignment Ensure uniform loading Reduce slip Reduce vibration Ensure proper alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are provided with a cage To reduce friction To facilitate slipping of balls To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart To reduce friction To facilitate slipping of balls To prevent the lubricant from flowing out To maintain the balls at a fixed distance apart ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter need not exceed 20 mm 3 mm 5 mm 10 mm 20 mm 3 mm 5 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP