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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決 
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壓力與水蒸氣計算
Sep 15th 2013, 08:51

壓力為0.5MPa時，飽和水的比容為0.0010928m3/Kg，飽和水蒸汽的比容為0.37481m3/Kg；若鍋爐
壓力為0.5MPa時水蒸汽的比容為0.3m3/Kg，則其乾度為：
A.0.7
B.0.8
C.0.86
D.0.9

請大大幫忙寫出公式和計算過程（簡明），謝謝～

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