Machine Design Cold working Decreases the fatigue strength Alone has no influence on fatigue strength Has no influence on fatigue strength Increases the fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Has no influence on fatigue strength Increases the fatigue strength 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 Antifriction bearings are Sleeve bearings Thin lubricated bearings None of these Hydrodynamic bearings Sleeve bearings Thin lubricated bearings None of these Hydrodynamic bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 30 to 40% 40 to 50% 10 to 20% 20 to 30% 30 to 40% 40 to 50% 10 to 20% 20 to 30% 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 has a lower curvature 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 is subjected to a higher stress than the outer side It has a lower curvature 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 is subjected to a higher stress than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as One end fixed and the other end free Both the ends fixed One end fixed and the other end hinged Both the ends hinged One end fixed and the other end free Both the ends fixed One end fixed and the other end hinged Both the ends hinged ANSWER DOWNLOAD EXAMIANS APP
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