Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/6 d/4 d/8 d/2 d/6 d/4 d/8 d/2 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 = μθ log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design A riveted joint is a __________ fastening. Either A or B Temporary None of these Permanent Either A or B Temporary None of these Permanent ANSWER DOWNLOAD EXAMIANS APP
Machine Design Form coefficient of spring is Concerned with strength of wire of spring Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Concerned with strength of wire of spring Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double strap butt joint (with equal straps) is Always in double shear Either in single shear or double shear Always in single shear Any one of these Always in double shear Either in single shear or double shear Always in single shear Any one of these ANSWER DOWNLOAD EXAMIANS APP
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