Machine Design The crest diameter of a screw thread is same as Minor diameter Pitch diameter Major diameter Core diameter Minor diameter Pitch diameter Major diameter Core diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and an element of the cylinder ANSWER DOWNLOAD EXAMIANS APP
Machine Design In nitrated parts, the origins of the fatigue cracks will occur at Within the core Surface None of these Just below the surface Within the core Surface None of these Just below the surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which process will increase the fatigue duration of parts? Electroplating De-carburisation Shot-peening Finishing and polishing Electroplating De-carburisation Shot-peening Finishing and polishing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Ductile materials Elastic materials All of these Brittle materials Ductile materials Elastic materials All of these Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.0 3.5 2.5 2.8 3.0 3.5 2.5 2.8 ANSWER DOWNLOAD EXAMIANS APP