工芸基礎知識（選択問題）20180208
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ギアポンプの閉じ込め現象は引き起こしません。 A. 軸受荷重の増加 B. 動作時の騒音の増加 C. 容積効率の低下 D. 排出圧力の増加 ヒント：オイルトラップにより、2対の噛み合う歯の間の密封容積内の油圧が上昇し、排出圧は排出条件に依存する。
ギアポンプの閉じ込め現象はDを引き起こしません。 A. 軸受荷重の増加 B. 動作音の増大 C. 容積効率の低下 D. 排出圧力の増加
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