問題詳情
三、假設要以一台性能係數（Coefficient of performance）為 1.6 的冷凍機將 10 kg 的水由30℃冷卻到 5℃，已知該冷凍機的功率輸入為 500 W，而水的比熱為 4.18 kJ/kgK，試求該冷卻所需要的時間。（25 分）
參考答案
答案：A
難度：簡單0.870043
統計：A(2611),B(77),C(194),D(118),E(1) #
個人：尚未作答書單：公路的服務水準
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