工芸の基礎知識（判断問題：正しいらば「√」、間違っていれば「×」を記入）2020.5.26
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他の条件が変わらない場合、流体の粘度が増すとレイノルズ数Reは大きくなる。エラー
エラー。Re=ρvd/r 式中；Reはレイノルズ数、ρは流体の密度、dは管の直径、vは管内の平均流速、rは液体の動粘度である。
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