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 Both the shafts are equally good Shaft B is better than shaft A Shaft A is better than shaft B None of these Both the shafts are equally good Shaft B is better than shaft A Shaft A is better than shaft B None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. Decreases None of these Remain same Increases Decreases None of these Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The diameter of the rivet hole is usually __________ the nominal diameter of the rivet. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of third type levers is found in Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is not correct procedure to increase the fatigue limit? Shot peening Under stressing Surface decarburisation Cold working Shot peening Under stressing Surface decarburisation Cold working ANSWER DOWNLOAD EXAMIANS APP
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