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工芸基礎知識(選択問題)20181121

2018-11-21View Original

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空気が冷凍システムに漏れ込むことはありません。 A.氷の詰まりの可能性が高まる B.排気圧力や温度が上昇する C.機械の稼働時間が長くなる D.機械の起動・停止が頻繁になる ヒント:空気は凝縮せず、熱伝達を妨げるため、コンデンサ内の圧力が上昇し、水蒸気も混入する。
Reply #22018-11-21
A.氷詰まりの可能性が高まる B.排気圧力・温度が上昇する
Reply #32018-11-21
B.排気圧力、温度を上昇させる
Reply #42018-11-21
B.排気圧力、温度を上昇させる

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