Machine Design
The design of shafts made of brittle materials is based on

Guest's theory
St Venant's theory
Rankine's theory
Von Mises theory

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Machine Design
Tapered roller bearings can take

Both radial and axial loads and the ratio of these being greater than unity
Radial load only
Axial load only
Both radial and axial loads and the ratio of these being less than unity

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