Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal stress is __________ of the circumferential stress. One-half Double Two-third Three-fourth One-half Double Two-third Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The buckling load will be maximum for a column, if One end of the column is clamped and the other end is free One end of the column is hinged and the other end is free Both ends of the column are clamped Both ends of the column are hinged One end of the column is clamped and the other end is free One end of the column is hinged and the other end is free Both ends of the column are clamped Both ends of the column are hinged 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) T₁/T₂ =eμθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ = μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design 18/8 steel contains 18% vanadium and 8% nickel 18% nickel and 8% vanadium 18% nickel and 8% chromium 18% chromium and 8% nickel 18% vanadium and 8% nickel 18% nickel and 8% vanadium 18% nickel and 8% chromium 18% chromium and 8% nickel ANSWER DOWNLOAD EXAMIANS APP
Machine Design The suitable material for belt in agricultural machinery is Balata gum Rubber Leather Cotton duck Balata gum Rubber Leather Cotton duck ANSWER DOWNLOAD EXAMIANS APP
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