Machine Design Screws used for power transmission should have Very fine threads High efficiency Strong teeth Low efficiency Very fine threads High efficiency Strong teeth Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resistance to fatigue of a material is measured by Elastic limit Endurance limit Young's modulus Ultimate tensile strength Elastic limit Endurance limit Young's modulus Ultimate tensile 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 When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be F/bh 3F/2bh 2F/bh 4F/bh F/bh 3F/2bh 2F/bh 4F/bh ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre distance between two meshing involute gears is equal to Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ Difference of pitch circle radii/cosφ Sum of base circle radii/cosφ Difference of base circle radii/cosφ Sum of pitch circle radii/cosφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Whether any core is required in wire ropes Rarely Sometimes No Yes Rarely Sometimes No Yes ANSWER DOWNLOAD EXAMIANS APP
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