Computer · Soil Mechanics
कठोर मिट्टी या नरम चट्टानी परतों में बोरहोल की ड्रिलिंग के लिए निम्नलिखित में से कौन सी विधि सबसे उपयुक्त है?
- 1वॉश बोरिंग (Wash boring)
- 2रोटरी ड्रिलिंग (Rotary drilling)
- 3पर्कशन ड्रिलिंग (Percussion drilling)✓
- 4ऑगर बोरिंग (Auger boring)
सही उत्तर देखें
पर्कशन ड्रिलिंग (Percussion drilling)
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