問(wèn)答題

【簡(jiǎn)答題】計(jì)算題:粘度計(jì)常數(shù)為0.06143(mm)2/s2,試油在50℃的流動(dòng)時(shí)間讀數(shù)為:289.0S,290.0S,289.2S,289.6S求試油運(yùn)動(dòng)粘度?

答案: 流動(dòng)時(shí)間的算術(shù)平均值為:
τ50=(289.0+290.0+289.2+289.6)/4=289.4(...
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