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

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According to the Atkinson equation for square-law fluid flow in mine airways (H_f = R · Q²), what happens to the frictional pressure drop (H_f) if the airflow quantity (Q) through the airway is doubled?

Frictional pressure drop increases by a factor of 4 Frictional pressure drop increases by a factor of 2 Frictional pressure drop increases by a factor of 8 Frictional pressure drop remains unchanged because Atkinson resistance R is constant

Correct Answer:

Frictional pressure drop increases by a factor of 4

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