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 has a lower curvature than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It is subjected to a higher cyclic loading than the outer side It has a lower curvature than the outer side It is more stretched than the outer side during the manufacturing process ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Making the shank diameter equal to core diameter of thread Increasing its shank diameter Decreasing its shank diameter Tightening the bolt properly Making the shank diameter equal to core diameter of thread Increasing its shank diameter Decreasing its shank diameter Tightening the bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design Three different weights fall from a certain height under vacuum. They will take None of these Same time to reach earth Times proportional to weight to reach earth Times inversely proportional to weight to reach earth None of these Same time to reach earth Times proportional to weight to reach earth Times inversely proportional to weight to reach earth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of V belt drive The belt should touch the bottom of groove in the pulley The belt should not touch the bottom of groove in the pulley None of these The belt should not touch the sides of groove in the pulley The belt should touch the bottom of groove in the pulley The belt should not touch the bottom of groove in the pulley None of these The belt should not touch the sides of groove in the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following material has the maximum ductility? Mild steel Copper Zinc Aluminium Mild steel Copper Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
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