Machine Design The railway carriage couplings have Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads Knuckle threads Buttress threads 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 According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design For high speed engines, the cam follower should move with Uniform velocity Uniform acceleration and retardation Simple harmonic motion Cycloidal motion Uniform velocity Uniform acceleration and retardation Simple harmonic motion Cycloidal motion ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Square threads Acme threads Multiple threads Buttress threads Square threads Acme threads Multiple threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP