Machine Design Which of the following is not correct procedure to increase the fatigue limit? Surface decarburisation Shot peening Cold working Under stressing Surface decarburisation Shot peening Cold working Under stressing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shear stress theory is applicable for Elastic materials Brittle materials All of these Ductile materials Elastic materials Brittle materials All of these Ductile materials ANSWER DOWNLOAD EXAMIANS APP
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/2 d/8 d/4 d/6 d/2 d/8 d/4 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 The shear plane in case of bolts should Be parallel to axis of bolt Never be across the threaded portion Be normal to threaded portion of shank Be across threaded portion of shank Be parallel to axis of bolt Never be across the threaded portion Be normal to threaded portion of shank Be across threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a machine member is subjected to torsion, the torsional shear stress set up in the member is Maximum at the centroidal axis and zero at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member ANSWER DOWNLOAD EXAMIANS APP
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