Machine Design The fatigue stress concentration factor is defined as All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The product of the endurance limits with and without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Polishing Shot peening Electroplating Coating Polishing Shot peening Electroplating Coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the assembly of pulley, key and shaft Pulley is made the weakest Key is made the strongest All the three are designed for equal strength Key is made the weakest Pulley is made the weakest Key is made the strongest All the three are designed for equal strength Key is made the weakest ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the Sum of the initial tension and external load applied External load applied Initial tension Initial tension or external load, whichever is greater Sum of the initial tension and external load applied External load applied Initial tension Initial tension or external load, whichever is greater ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Shaft A is better than shaft B None of these Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B None of these Shaft B is better than shaft A Both the shafts are equally good ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. Remain same Increases None of these Decreases Remain same Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP