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The temperature of source and sink of a heat engine are 127C and 27C respectively. An inventor claims its efficiency to be 26%, then:

The temperature of source and sink of a heat engine are 127C and 27C respectively. An inventor claims its efficiency to be 26%, then: (a) it is impossible (b) it is possible with high probability (c) it is possible with low probability (d) data are insufficient.

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