Engineering :: Thermodynamics

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An elastic sphere of 0.5 m diameter contains a gas at 115 k Pa. Heating of the sphere causes it to increase to 0.62 m and during the process the pressure is proportional to the sphere diameter. The work done by the gas will be

[A].	7.7 kJ	[B].	9.9 kJ
[C].	11 kJ	[D].	15 kJ

Answer: Option A

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