A piston/cylinder of total 1kg steel contains 0.5 kg ammonia at 1600 kPa both masses at 120¬¨¬®‚Äö√†√ªC with minimum volume being 0.02 m3. The whole system is cooled down to 30¬¨¬®‚Äö√†√ªC by heat transfer to the ambient at 20¬¨¬®‚Äö√†√ªC, and during the process the steel keeps same temperature as the ammonia. Find the work.$

‚Äö√Ñ√∂‚àö√ë‚àö¬® 28.14 kJ

‚Äö√Ñ√∂‚àö√ë‚àö¬® 38.14 kJ

‚Äö√Ñ√∂‚àö√ë‚àö¬® 48.14 kJ

‚Äö√Ñ√∂‚àö√ë‚àö¬® 58.14 kJ

A piston/cylinder of total 1kg steel contains 0.5 kg ammonia at 1600 k

1.	A piston/cylinder of total 1kg steel contains 0.5 kg ammonia at 1600 kPa both masses at 120¬¨¬®‚Äö√†√ªC with minimum volume being 0.02 m3. The whole system is cooled down to 30¬¨¬®‚Äö√†√ªC by heat transfer to the ambient at 20¬¨¬®‚Äö√†√ªC, and during the process the steel keeps same temperature as the ammonia. Find the work.$
A.	‚Äö√Ñ√∂‚àö√ë‚àö¬® 28.14 kJ
B.	‚Äö√Ñ√∂‚àö√ë‚àö¬® 38.14 kJ
C.	‚Äö√Ñ√∂‚àö√ë‚àö¬® 48.14 kJ
D.	‚Äö√Ñ√∂‚àö√ë‚àö¬® 58.14 kJ
Answer» E.

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