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87. 有關空調系統之敘述下列何者正確? (A)以送水方式進行熱量交換,該送風機系統稱為全水系統 (B)空調冷凍能力 1 噸=12000BTU (C)ERR(能源效率比值)代表每瓦特的電力可提供 1
問題詳情
87. 有關空調系統之敘述下列何者正確?
(A)以送水方式進行熱量交換,該送風機系統稱為全水系統
(B)空調冷凍能力 1 噸=12000BTU
(C)ERR(能源效率比值)代表每瓦特的電力可提供 1 小時造冷量
(D)空調冷水管與低壓電線距離至少 100 ㎜ 。
參考答案
答案:A,C,D
難度:
計算中
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書單:
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上一篇 :
86. 使用接地棒下列敘述何者正確? (A)兩接地棒間距離不得小於 1.8M (B)採用接地銅棒其直徑不得小於 15 ㎜ (C)接地地電阻應在 20 歐姆(Ω)以上 (D)橫向埋設於地面下深度至少埋深
下一篇 :
88. 消防撤水頭之迴水板與屋頂版或天花板之距離,下列何者正確? (A)20 ㎝(B)30 ㎝ (C)40 ㎝ (D)50 ㎝ 。
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