General Studies · Machine Tools
बिजली उपलब्ध न होने पर निम्नलिखित में से किस ड्रिलिंग मशीन का उपयोग किया जाता है?
- 1रेडियल ड्रिलिंग मशीन (Radial drilling machine)
- 2पिलर ड्रिलिंग machine (Pillar drilling machine)
- 3सेंसिटिव ड्रिलिंग मशीन (Sensitive drilling machine)
- 4रैचेट ड्रिलिंग मशीन (Ratchet drilling machine)✓
सही उत्तर देखें
रैचेट ड्रिलिंग मशीन (Ratchet drilling machine)
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