General Studies · Design of Machine Elements
एक वर्गाकार चूड़ीदार पेंच (square threaded screw) की अधिकतम दक्षता के लिए निम्नलिखित में से कौन सा समीकरण मान्य है? [जहाँ α = हेलिक्स कोण, φ = घर्षण कोण]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1φ = 45° − α2
- 2α = 45° − φ2✓
- 3φ = (90° + α)
- 4α = (90° − φ)
सही उत्तर देखें
α = 45° − φ2
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