Machine Design Coaxing is the procedure of increasing Metal strength by cycling Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal resistance to corrosion by coating Metal strength by cycling Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal resistance to corrosion by coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is None of these Less than 50% Equal to 50% More than 50% None of these Less than 50% Equal to 50% More than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. Decreases Increases Remain same None of these Decreases Increases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 10 to 20% 40 to 50% 20 to 30% 30 to 40% 10 to 20% 40 to 50% 20 to 30% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a hydrodynamic lubricated bearing There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to withstand resistance to wear, the best profile of gear is 20° involute stub tooth 20° full depth involute tooth 14½° full depth involute tooth 14½° stub tooth 20° involute stub tooth 20° full depth involute tooth 14½° full depth involute tooth 14½° stub tooth ANSWER DOWNLOAD EXAMIANS APP
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