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 The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) log (T₁/T₂) = μθ T₁/T₂ = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ log (T₁/T₂) = μθ T₁/T₂ = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Taper on the cotter and slot is provided May be provided anywhere On both the sides On one side only On none of the sides May be provided anywhere On both the sides On one side only On none of the sides ANSWER DOWNLOAD EXAMIANS APP
Machine Design Antifriction bearings are Thin lubricated bearings Sleeve bearings Hydrodynamic bearings None of these Thin lubricated bearings Sleeve bearings Hydrodynamic bearings None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design All stresses produced in a belt are Shear stresses Both tensile and compressive stresses Tensile stresses Compressive stresses Shear stresses Both tensile and compressive stresses Tensile stresses Compressive stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strap end of a connecting rod of steam engine is joined by Gib of cotter joint Spigot socket cotter joint Sleeve and cotter joint Knuckle joint Gib of cotter joint Spigot socket cotter joint Sleeve and cotter joint Knuckle joint ANSWER DOWNLOAD EXAMIANS APP
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