General Studies · Fluid Mechanics
यदि k विषमताओं (irregularities) की औसत ऊंचाई है और δ लैमिनर उप-परत (laminar sub-layer) की मोटाई है, तो सीमा (boundary) को हाइड्रोडायनामिक रूप से खुरदरा (rough) माना जाता है जब _______।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1kδ > 6✓
- 2kδ < 0.25
- 30.25 ≤ kδ ≤ 6
- 4kδ ≤ 0.25
सही उत्तर देखें
kδ > 6
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