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In squeeze ramming, hardness achieved is inversely proportional to the pressure applied on the squeeze plate.

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in Casting-Forming-Welding I by (687k points)
In squeeze ramming, hardness achieved is inversely proportional to the pressure applied on the squeeze plate.

(a) True

(b) False

The question was posed to me during an online exam.

Asked question is from Methods of Ramming Mold Boxes topic in division Mold and Mold Making of Casting-Forming-Welding I

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Correct choice is (b) False

Explanation: In squeezing method of ramming, the resulting force compact the sand uniformly and the hardness achieved directly depends to the pressure applied on the plate. More the pressure more will be the hardness of the sand, but the sand next to the plate rams hardest while the sand below is progressively less hard.

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