沥青密度与相对密度试验,对黏稠石油沥青及液体沥青,重复性试验的允许差为（）

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问题沥青密度与相对密度试验,对黏稠石油沥青及液体沥青,重复性试验的允许差为（）；复现性试验的允许差为（）。A.0.003g/cm3,0.007g/cm3B.0.003g/cm3,0.006g/cm3C.0.002g/cm3,0.007g/cm3D.0.002g/cm3,0.006g/cm3

选项 A.0.003g/cm3,0.007g/cm3
B.0.003g/cm3,0.006g/cm3
C.0.002g/cm3,0.007g/cm3
D.0.002g/cm3,0.006g/cm3

答案 A

解析对黏稠石油沥青及液体沥青的密度,重复性试验的允许误差为0.003g/cm3；再现性试验的允许误差为0.007g/cm3。

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