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English Translations » 历史存档[信息] » 【Weekly Topic】【HVAC Version 20160407】

【Weekly Topic】【HVAC Version 20160407】

2016-04-07View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. A certain refrigerator operates between a heat source at T1=300K and a cold source at T2=250K. Its cooling capacity is 1000 KJ, and the work required is 250 KJ. This refrigerator is ( ) A. Irreversible B. Reversible C. Impossible D. Reversible or irreversible 【Haichuan Thanksgiving】--Production Division 【Production and Management Division】is seeking moderators and technical discussants to join
Reply #22016-04-07
A refrigeration machine operates between a heat source at T1=300K and a cold source at T2=250K. Its cooling capacity is 1000 KJ, and the work required is 250 KJ. This refrigeration machine is ( A ) A. Irreversible B. Reversible C. Impossible D. Reversible or irreversible
Reply #32016-04-07
A refrigeration machine operates between a heat source at T1=300K and a cold source at T2=250K. Its cooling capacity is 1000 KJ, and the work required is 250 KJ. This refrigeration machine is ( A ) A. Irreversible B. Reversible C. Impossible D. Reversible or irreversible
Reply #42016-04-07
A certain refrigerator operates between a heat source at T1=300K and a cold source at T2=250K. Its cooling capacity is 1000 KJ, and the work required is 250 KJ. This refrigerator is (A, irreversible)
Reply #52016-04-07
A refrigeration machine operates between a heat source at T1=300K and a cold source at T2=250K. Its cooling capacity is 1000 KJ, and the work required is 250 KJ. This refrigeration machine is ( A ) A. Irreversible B. Reversible C. Impossible D. Reversible or irreversible
Reply #62016-04-07
A refrigeration machine operates between a heat source at T1=300K and a cold source at T2=250K. Its cooling capacity is 1000 KJ, and the work required is 250 KJ. This refrigeration machine is ( A ) A. Irreversible B. Reversible C. Impossible D. Reversible or irreversible

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Translated at 2026-07-21 00:35:46

Original: https://bbs.hcbbs.com/thread-1578026-1-1.html

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