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The relation between shear stress Z and velocity gradient   of a fluid is given by ​  + B where A, n and B are constants.

Which of the following conditions will hold for a Bingham plastic?

  • a)
    A = 0;B ≠ 0; n ≠ 1

  • b)
    A ≠ 0;B = 0; n ≠ 1

  • c)
    A = 0;B = 0; n = 1

  • d)
    A ≠ 0;B ≠ 0; n = 1

Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The relation between shear stress Z and velocity gradient of a fluid ...
Explanation: For Bingham Plastics, shear stress will not remain constant after an yield value of stress. Thus, A ≠ 0;B ≠ 0. After the yield value, the relation between the shear stress and velocity gradient will become linear. hus, n = 1.
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Most Upvoted Answer
The relation between shear stress Z and velocity gradient of a fluid ...
Explanation: For Bingham Plastics, shear stress will not remain constant after an yield value of stress. Thus, A ≠ 0;B ≠ 0. After the yield value, the relation between the shear stress and velocity gradient will become linear. hus, n = 1.
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The relation between shear stress Z and velocity gradient of a fluid is given by+ B where A, n and B are constants.Which of the following conditions will hold for a Bingham plastic?a)A = 0;B ≠ 0; n ≠ 1b)A ≠ 0;B = 0; n ≠ 1c)A = 0;B = 0; n = 1d)A ≠ 0;B ≠ 0; n = 1Correct answer is option 'D'. Can you explain this answer?
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