Machine Design
In skew bevel gearing, the axes of shafts are

Non-intersecting and nonparallel and the teeth are curved
Non-intersecting and non-parallel and the teeth are straight
None of these
Intersecting and the teeth are curved

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Machine Design
Slenderness ratio is the ratio of

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

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