With an increase in volume of air passed, what change is seen in the permeable number?(a) Increases(b) Decreases(c) No change occurs(d) No relation among the twoThis question was posed to me in a job interview.This intriguing question originated from Testing of Core Sands topic in section Sand Reclamation & Control Test of Casting-Forming-Welding II

With an increase in volume of air passed, what change is seen in the p

1.	With an increase in volume of air passed, what change is seen in the permeable number?(a) Increases(b) Decreases(c) No change occurs(d) No relation among the twoThis question was posed to me in a job interview.This intriguing question originated from Testing of Core Sands topic in section Sand Reclamation & Control Test of Casting-Forming-Welding II
Answer» The correct answer is (a) Increases To explain: With an INCREASE in the volume of air PASSED, there is an increase in the permeable number, since the TWO have a direct RELATION.

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