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An engine operating between the boiling and freezing points of water will have A. Efficiency more than 27% B. Efficiency less than the efficiency of a Carnot engine operating between the same two temperatures. C. Efficiency equal to 27% D. Efficiency less than 27% Choose the correct answer from the options given below

1. B, C and D only
2. A and B only
3. B and D only
4. B and C only

Correct answer: B and D only

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