Machine Design The maximum efficiency of a square threaded screw is (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)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Toughness Brinell hardness number Yield strength Elastic strength Toughness Brinell hardness number Yield strength Elastic strength 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 cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is subjected to a higher stress than the outer side It is subjected to a higher cyclic loading than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher stress than the outer side It is subjected to a higher cyclic loading than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 3 to 5 0.5 to 1 1 to 2 5 to 10 3 to 5 0.5 to 1 1 to 2 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound belt drive is used when Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction None of these Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction None of these Shafts are arranged parallel and rotate in the opposite directions ANSWER DOWNLOAD EXAMIANS APP
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