A stream tube is that, which has ______________________ cross-section entirely bounded by stream lines?
Correct answer: B. Any convenient
- A. A circular
- B. Any convenient
- C. A small
- D. A large
Explanation
A stream tube is formed by a bundle of streamlines, and its cross-sectional shape need not be circular or fixed to a particular size. It may have any convenient cross-section bounded by streamlines.
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