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42.三台離心式冰水區域水泵並聯之系統,在部份負載時,其中兩部水泵停止運轉,在未設置自動節流元件之情況下,唯一運轉之水泵,其運轉電流會:(A)升 高(B)降 低(C)不 變(D)不一定。
問題詳情
42.三台離心式冰水區域水泵並聯之系統,在部份負載時,其中兩部水泵停止運轉,在未設置自動節流元件之情況下,唯一運轉之水泵,其運轉電流會:
(A)升 高
(B)降 低
(C)不 變
(D)不一定。
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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