Machine Design Interview Questions :Mechanical Interview

Machine Design Interview Questions :Mechanical Interview
1)Differentiate between service factor and factor of safety.
2)Draw a typical true stress versus strain curve .
3)What is wahl’s stress factor
4)Explain hydrodynamic theory of lubrication
5)Classify welded and riveted joints.
6)Explain the term virtual number of teeth in helical and bevel gears
7)How do you specify the life of an anti friction bearing?
8)Explain the term membrane stresses in vessels under pressure

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