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 A key way lowers Both the strength and rigidity of the shaft The strength of the shaft The rigidity of the shaft The ductility of the shaft Both the strength and rigidity of the shaft The strength of the shaft The rigidity of the shaft The ductility of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material. Shear strength Elastic strength None of these Yield strength Shear strength Elastic strength None of these Yield strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 25 21 15 17 25 21 15 17 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt speed increases Power transmitted increases to a maximum value and then decreases Power transmitted increases Power transmitted decreases Power transmitted remains the same Power transmitted increases to a maximum value and then decreases Power transmitted increases Power transmitted decreases Power transmitted remains the same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is 10.6 kN 15 kN 7.5 kN 22.5 kN 10.6 kN 15 kN 7.5 kN 22.5 kN ANSWER DOWNLOAD EXAMIANS APP
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