Machine Design In worm, gears, pitch lead angle is Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder 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 Residual stress in materials Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed Acts when external load is applied Is always harmful Is independent of external loads Becomes zero when external load is removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design In Vickers hardness testing, the pyramid indentor apex is 136° 122° 40° 152° 136° 122° 40° 152° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Set screws are Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between parts Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between parts ANSWER DOWNLOAD EXAMIANS APP
Machine Design The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod) d 0.8 d 1.2 d 0.5 d d 0.8 d 1.2 d 0.5 d ANSWER DOWNLOAD EXAMIANS APP