公路工程试验检测试卷库~â/iǧbbs.3c3t.comÇÀ½Éßÿ
~â/iǧbbs.3c3t.comÇÀ½Éßÿ《材料》试题~â/iǧbbs.3c3t.comÇÀ½Éßÿ
~â/iǧbbs.3c3t.comÇÀ½Éßÿ地市~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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姓名~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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准考证号~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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成绩~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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一.单项选择~â/iǧbbs.3c3t.comÇÀ½Éßÿ
1.钢材焊接拉伸试验,一组试件有2根发生脆断,应再取( C~â/iǧbbs.3c3t.comÇÀ½Éßÿ
)根进行复验。~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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A. 2~â/iǧbbs.3c3t.comÇÀ½Éßÿ
B.~â/iǧbbs.3c3t.comÇÀ½Éßÿ
4~â/iǧbbs.3c3t.comÇÀ½Éßÿ
C . 6~â/iǧbbs.3c3t.comÇÀ½Éßÿ
2.配制混凝土用砂的要求是尽量采用(D~â/iǧbbs.3c3t.comÇÀ½Éßÿ
)的砂。~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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A.空隙率小~â/iǧbbs.3c3t.comÇÀ½Éßÿ
B、总表面积小~â/iǧbbs.3c3t.comÇÀ½Éßÿ
C、总表面积大~â/iǧbbs.3c3t.comÇÀ½Éßÿ
D、空隙率和总表面积均较小~â/iǧbbs.3c3t.comÇÀ½Éßÿ
3.中砂的细度模数MX为(B )。~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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A、3.7~3.1 B、3.0~2.3 C、2.2~1.6 D、1.4~â/iǧbbs.3c3t.comÇÀ½Éßÿ
4. EDTA滴定法快速测定石灰土中石灰剂量试验中,钙红指示剂加入石灰土和氯化铵反应中,溶液呈~â/iǧbbs.3c3t.comÇÀ½Éßÿ
[~â/iǧbbs.3c3t.comÇÀ½Éßÿ
A~â/iǧbbs.3c3t.comÇÀ½Éßÿ
] 色。~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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A .玫瑰红~â/iǧbbs.3c3t.comÇÀ½Éßÿ
B .黄~â/iǧbbs.3c3t.comÇÀ½Éßÿ
C .红~â/iǧbbs.3c3t.comÇÀ½Éßÿ
D .兰~â/iǧbbs.3c3t.comÇÀ½Éßÿ
5、氧化镁含量为(A )是划分钙质石灰和镁质石灰的界限。~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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A、5% B、10% C、15% D、20%~â/iǧbbs.3c3t.comÇÀ½Éßÿ
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详见附件~â/iǧbbs.3c3t.comÇÀ½Éßÿ