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試卷名稱：110年 - 110 國立臺灣大學_碩士班招生考試_部分系所:輸送現象及單元操作#101948
年份：110年
科目：台大◆化工◆輸送現象及單元操作
7.Aconical tank with a bottom opening of cross-sectional area A is filled with water and is
mounted on supports as shown in the figure. What is the force F with which plate X must be pushed
up to prevent water from leaking? Assume that the density of air is negligible as compared to the
density of water pL.
Support
(A) PL• Vg
(B) PL• Vg/2
(C) PL• A·Hg
(D) pL• AHg/2