Machine Design
When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be

16F/ 3πd²
8F/ πd²
6F/ πd²
4F/ πd²

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Machine Design
Slenderness ratio is the ratio of

Width of column to depth of column
Maximum size of column to minimum size of column
Effective length of column to width of column
Effective length of column to least radius of gyration of the column

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