工芸基礎知識(選択問題)20180524
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工芸基礎知識(選択問題)20180524 喉口面積が比較的大きい噴射ポンプの作動時における最大の水力損失は 損失である。 A.ノズル B.混合 C.混合室入口と摩擦 D.拡圧ヒント:ノズル面積が大きい噴射ポンプは吸い上げ流量が大きくなるため、混合損失も大きくなる。
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