Physics · River Engineering
नदी प्रशिक्षण कार्यों (river training works) के लिए उपयोग की जाने वाली एक प्रतिकर्षी ग्रॉइन (repelling groyne) किस दिशा में संरेखित होती है?
- 1तट के समानांतर
- 2तट के लंबवत
- 3डाउनस्ट्रीम (downstream) की ओर इशारा करते हुए
- 4अपस्ट्रीम (upstream) की ओर इशारा करते हुए✓
सही उत्तर देखें
अपस्ट्रीम (upstream) की ओर इशारा करते हुए
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