Machine Design A key way lowers The ductility of the shaft The strength of the shaft Both the strength and rigidity of the shaft The rigidity of the shaft The ductility of the shaft The strength of the shaft Both the strength and rigidity of the shaft The rigidity of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T/sec³φ T sec²φ T cosecφ T sec³φ T/sec³φ T sec²φ T cosecφ T sec³φ 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 =eμθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is a permanent fastening? Bolts Rivets Cotters Keys Bolts Rivets Cotters Keys ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/2 8W/9 2W/3 W/9 W/2 8W/9 2W/3 W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Auto frettage is the method of Increasing the life of thick cylinders Pre-stressing thick cylinders Calculating stresses in thick cylinders Joining thick cylinders Increasing the life of thick cylinders Pre-stressing thick cylinders Calculating stresses in thick cylinders Joining thick cylinders ANSWER DOWNLOAD EXAMIANS APP
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