Physics · Pneumatics
एक न्यूमैटिक हैमर (pneumatic hammer) में, हैमरिंग क्रिया किसके द्वारा प्राप्त की जाती है?
- 1मैनुअल लिफ्टिंग
- 2गुरुत्वाकर्षण
- 3विद्युत चुंबकीय बल
- 4संपीड़ित हवा (compressed air) या भाप के दबाव✓
सही उत्तर देखें
संपीड़ित हवा (compressed air) या भाप के दबाव
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