GCC Mines & Works Plant Engineering Exam Practice Questions - GCC Mines & Works Engineer - Plant Engineering Examination (South Africa) Exam

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A Koepe (friction) winder has a drum angle of wrap θ = 190° (3.316 rad) and the friction coefficient between the steel rope and the polyurethane lining is μ = 0.25. Calculate the maximum static tension ratio (T1/T2) before rope slip occurs across the friction wheel.
Correct Answer:
2.29

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