The maximum efficiency of a scres jack having square threads and friction angle of 30 degree will be

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Harikesh

🎓 Tutor III ⭐ 8.04K Points

📊 Applied Mechanics

Q. The maximum efficiency of a scres jack having square threads and friction angle of 30 degree will be

(A) 20%
(B) 11%
(C) 5%
(D) 33%

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✅ Correct Answer: (D) 33%

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