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The isothermal compressibility for a gas is same as isothermal compressibility.

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The isothermal compressibility for a gas is same as isothermal compressibility.

(a) True

(b) False

I got this question in final exam.

My question is from Definition of Compressibility in portion Compressible Flow – Preliminary Aspects of Aerodynamics

1 Answer

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Right option is (b) False

The explanation is: The isothermal compression of a gas means that no heat is transferred from the fluid element and there is no friction involved. Thus, isothermal compressibility has additional condition of no fiction along with thermal compressibility.

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