Mathematics, 27.08.2021 04:50 12huskiesmidnight

Lò hơi đốt than, khối lượng sinh ra là 10 tấn/ca. Lượng than tiêu thụ tính cho 1 tấn hơi là 0.25 tấn. Biết hàm lượng nhiệt than là 4000 kcal/kg; ẩn nhiệt của hơi là 665 kcal/kg; ẩn nhiệt hơi của nước là 85 kcal/kg. Tính hiệu xuất của lò hơi?

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Lò hơi đốt than, khối lượng sinh ra là 10 tấn/ca. Lượng than tiêu thụ tính cho 1 tấn hơi là 0.25 tấn...

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