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

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According to South African Mine Health and Safety Act regulations for rock winding in a vertical shaft, what is the minimum permitted static safety factor (S) for a new winding rope at the headgear sheave for a suspended rope length of L = 2,000 m, using the standard formula S = 8.5 - 0.001 × L (subject to absolute minimum limits)?

6.50 8.50 5.00 4.50

Correct Answer:

6.50

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