With an increase in height of the specimen, what change is seen in the permeable number?(a) Increases(b) Decreases(c) No change occurs(d) No relation among the twoI had been asked this question in a national level competition.I would like to ask this question from Testing of Core Sands in portion Sand Reclamation & Control Test of Casting-Forming-Welding II

With an increase in height of the specimen, what change is seen in the

1.	With an increase in height of the specimen, what change is seen in the permeable number?(a) Increases(b) Decreases(c) No change occurs(d) No relation among the twoI had been asked this question in a national level competition.I would like to ask this question from Testing of Core Sands in portion Sand Reclamation & Control Test of Casting-Forming-Welding II
Answer» CORRECT ANSWER is (a) Increases The best I can explain: With an INCREASE in the height of the specimen, there is an increase in the PERMEABLE number, since the two have a direct relation.

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