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【毎日一問】工程基礎知識(選択問題)20190103

2019-01-03View Original

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冷凍圧縮機の電動機用サーモリレーが保護動作を起こす原因は、通常次の通りです。 A.圧縮機の排気圧力が過高 B.圧縮機の吸気圧力が過低 C.圧縮機の起動・停止が頻繁 D.モーターの過負荷

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