Machine Design If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to 1.25 × diameter of bolt 1.5 × diameter of bolt 0.75 × diameter of bolt Diameter of bolt 1.25 × diameter of bolt 1.5 × diameter of bolt 0.75 × diameter of bolt Diameter of bolt 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 = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ log (T₁/T₂) = μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following welded joint is designed for shear strength? Parallel fillet welded joint All of these Transverse fillet welded joint Butt welded joint Parallel fillet welded joint All of these Transverse fillet welded joint Butt welded joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 3/(3 + v) 6/(6 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) 3/(3 + v) 6/(6 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Bending stress only A combination of torsional shear stress and bending Direct shear stress only A combination of bending stress and direct shear stress Bending stress only A combination of torsional shear stress and bending Direct shear stress only A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is wrong for a connecting rod? The most suitable section for the connecting rod is T-section The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy If Ixx > 4 Iyy, the buckling will occur about Y-axis If Ixx < 4 Iyy, the buckling will occur about X-axis The most suitable section for the connecting rod is T-section The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy If Ixx > 4 Iyy, the buckling will occur about Y-axis If Ixx < 4 Iyy, the buckling will occur about X-axis ANSWER DOWNLOAD EXAMIANS APP
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