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Certificate In Mine Environmental Control Exam Practice Questions - Certificate In Mine Environmental Control (South Africa) Exam

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A deep gold mine has a downcast shaft with a mean air density of 1.22 kg/m³ and an upcast shaft with a mean air density of 1.10 kg/m³. If the vertical shaft depth is 1 800 m, calculate the Natural Ventilation Pressure (NVP) generated by the density difference. (g = 9.81 m/s²)
Correct Answer:
2 118.96 Pa

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