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The value of the Bulk Modulus of an ideal fluid is

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+1 vote
in Fluid Mechanics by (118k points)
The value of the Bulk Modulus of an ideal fluid is

(a) zero

(b) unity

(c) infinity

(d) less than that of a real fluid

This question was posed to me in unit test.

This question is from Introduction to Fluid Mechanics in section Properties of Fluids of Fluid Mechanics

1 Answer

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Best answer
The correct answer is (c) infinity

The explanation: Bulk modulus k is the reciprocal of compressibility fi.

k = ^1⁄fi

Ideal fluids are incompressible which means fi = 0. Thus, k will be infinity.

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