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工芸基礎知識(選択問題)20180513

2018-05-13View Original

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工芸基礎知識(選択問題)20180513 离心ポンプの電流が過大になる可能性があるのは 。 A. 排出弁が作動する B. 回転速度が上昇する C. 排出液面が上昇する D. 排出容器の圧力が上昇する
ヒント:同様の作業条件では、出力は回転速度の3乗に比例し、その他の流量はすべて減少し、出力も減少する。
Reply #22018-05-13
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