毎日一問----------工程基礎知識 シングルクイズ(9月29日)
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参加すれば3の報酬がもらえます。単一選択問題:流体力学の基本方程式について、U字管圧力計が圧力差を測定する際は、( )です。 A. 指示液の密度や液面の高さに関係し、U字管の太さには関係しない。B. 指示液の密度や液面の高さには関係せず、U字管の太さに関係する。
C. 指示液の密度や液面の高さにも、U字管の太さにも関係しない
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