Advanced Mine Valuation Certificate Exam Practice Questions - Advanced Certificate In Mine Valuation (South Africa) Exam

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An evaluator calculates a block variance (BV) of 4,000 (cm.g/t)^2 and an Ordinary Kriging variance (KV) of 1,000 (cm.g/t)^2 for a selective mining unit (SMU). What is the Kriging Efficiency (KE)?

25.0% 75.0% 80.0% 300.0%

Correct Answer:

75.0%

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