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The fluids reveal its flow behaviour when it is subjected to normal compressive stresses.

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in Casting-Forming-Welding II by (119k points)
The fluids reveal its flow behaviour when it is subjected to normal compressive stresses.

(a) True

(b) False

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Asked question is from Plastic Deformation and Yield Criteria topic in portion Types of Die & Metal Forming Processes of Casting-Forming-Welding II

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The correct choice is (b) False

The best I can explain: The fluids reveal their flow behaviour only when it is subjected to shearing stress. A little amount of shear stress can deform the flow and it never regains its original shape even after removing the shearing load. The compressive or tensile stress does not make any changes to the fluid behaviour.

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