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（）

免费题库2022-08-02 68

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。

转载请注明原文地址:https://www.tihaiku.com/jzgc/2213812.html

道路工程

相关试题推荐

随机试题

最新回复(0)