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Which of the following formula is used in Falling head permeability test?

(a) Jacky’s formula

(b) Louden’s formula

(c) Darcy’s law

(d) Kozney’s formula

I got this question during an internship interview.

Origin of the question is Constant and Falling Head Permeability Test in portion Permeability of Geotechnical Engineering I

1 Answer

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Best answer
The correct option is (c) Darcy’s law

Easy explanation: In falling head permeability test, Darcy’s law is used from which the rate of flow q, can be used

q = K i A.

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