Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 + sinφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. None of these Larger than Smaller than Equal to None of these Larger than Smaller than Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue stress concentration factor is defined as The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The product of the endurance limits with and without stress concentration All of these The ratio of endurance limit with stress concentration to the endurance limit without stress concentration The ratio of endurance limit without stress concentration to the endurance limit with stress concentration The product of the endurance limits with and without stress concentration All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following material has the maximum ductility? Mild steel Zinc Copper Aluminium Mild steel Zinc Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine Gordon formula for buckling is valid for Short column Very long column Long column Short and long column Short column Very long column Long column Short and long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)⁴ ANSWER DOWNLOAD EXAMIANS APP
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