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【毎日一問】工程基礎知識(選択問題)20190102

2019-01-02View Original

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冷凍装置の冷却能力が不足しており、吸気圧が高い。その理由は①結露がひどいこと;②膨張弁の温度バッグの漏れ;③冷蔵庫の断熱層が湿気を帯びる;④システム内の空気が多い;⑤冷媒不足;⑥エアバルブの漏れで、あり得ないのは 。 A.①②③④ B.①②③④⑤ C.②③④⑥ D.③④⑥ ヒント:エバポレーターの「蒸発量」が減少する場合、吸気圧力は上昇しない。

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