Machine Design Which of the following material has the maximum ductility? Zinc Mild steel Aluminium Copper Zinc Mild steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.5 2.5 2.8 3.0 3.5 2.5 2.8 3.0 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is about yield point divided by safety factor Is 50% of yield point Approaches yield point Is just sufficient to hold parts together Is about yield point divided by safety factor Is 50% of yield point Approaches yield point Is just sufficient to hold parts together ANSWER DOWNLOAD EXAMIANS APP
Machine Design The suitable material for belt in agricultural machinery is Rubber Leather Balata gum Cotton duck Rubber Leather Balata gum Cotton duck ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 7.2 N/mm² compression 3.6 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² compression 3.6 N/mm² tension 7.2 N/mm² tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/2 d/4 d/8 d/6 d/2 d/4 d/8 d/6 ANSWER DOWNLOAD EXAMIANS APP
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