Physics · Engineering Mechanics
एक वर्गाकार चूड़ीदार पेंच (square threaded screw) जिसका घर्षण कोण 60° है, की दक्षता अधिकतम तब होगी जब पेंच का हेलिक्स कोण (helix angle) होगा:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 160°
- 245°
- 330°
- 415°✓
सही उत्तर देखें
15°
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