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【空調版】毎日一問 20180713 (選択問題)

2018-07-13View Original

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ある一方向流のクリーンルームの清浄度等級が5級で、部屋の高さは4.0m、面積は60m2、部屋の断面における平均風速は約0.3m/s、換気回数が350回/時未満の場合、そのクリーンルームの送風量は( )m3/時となる。 A 84000 B 64800 C 74400 D 148800B

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