单项选择题
建设用砂含泥量检测试验时,称取平行试样两个,各()g,精确至()g。
A.200,0.01
B.400,0.1
C.450,0.01
D.500,0.1
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单项选择题
建设用砂含泥量单项试验时,需称量不少于()Kg的样品,用四分法缩分至()g左右,烘干至恒量备用。
A.2,500
B.4,1000
C.4.4,1100
D.5,1200 -
单项选择题
建设用砂含泥量检测时,使用的方孔筛尺寸为()
A.2.36mm,0.15mm
B.1.18mm,0.15mm
C.2.36mm,0.075mm
D.1.18mm,0.075mm -
单项选择题
建设用砂含泥量检测时,不能使用的天平是()
A.量程10Kg,感量0.1g
B.量程15Kg,感量1g
C.量程1Kg,感量0.1g
D.量程15Kg,感量0.1g
