【日々の質問】2017.10.4
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円管の中を液体が安定して流れます。配管径が2倍になると、その流量は元の流量の（ ）倍になります。 A、ダブル B、ダブル C、トリプル D、クアドルプル 答え: D
D、4回 液体は円管内を安定して流れます。配管径が2倍になると、その流量は元の流量の(Dの4倍)倍になります。 A、2倍 B、2倍 C、3回 D、4回
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