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The specific heat of air at constant pressure is 1.05kj//kg K and the specific heat of air at constant voume is `0.718 KJ//kgK`. Find this specific gas constant.
A. 0.287 kJ/kgK
B. 0.21 kJ/kgK
C. 0.34 kJ/kg K
D. 0.19 kJ/kg K

1 Answer

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Best answer
Correct Answer - A
`dQ=dU+PdV=dU+p(0)=dU`
`((dQ)/(dT))_(v)=(dU)/(dT)`

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