公路工程试验检测试卷库dv4©bbs.3c3t.comÓ5VG&0]S¢
dv4©bbs.3c3t.comÓ5VG&0]S¢《材料》试题dv4©bbs.3c3t.comÓ5VG&0]S¢
dv4©bbs.3c3t.comÓ5VG&0]S¢地市dv4©bbs.3c3t.comÓ5VG&0]S¢
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姓名dv4©bbs.3c3t.comÓ5VG&0]S¢
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准考证号dv4©bbs.3c3t.comÓ5VG&0]S¢
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成绩dv4©bbs.3c3t.comÓ5VG&0]S¢
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一.单项选择dv4©bbs.3c3t.comÓ5VG&0]S¢
1.钢材焊接拉伸试验,一组试件有2根发生脆断,应再取( Cdv4©bbs.3c3t.comÓ5VG&0]S¢
)根进行复验。dv4©bbs.3c3t.comÓ5VG&0]S¢
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A. 2dv4©bbs.3c3t.comÓ5VG&0]S¢
B.dv4©bbs.3c3t.comÓ5VG&0]S¢
4dv4©bbs.3c3t.comÓ5VG&0]S¢
C . 6dv4©bbs.3c3t.comÓ5VG&0]S¢
2.配制混凝土用砂的要求是尽量采用(Ddv4©bbs.3c3t.comÓ5VG&0]S¢
)的砂。dv4©bbs.3c3t.comÓ5VG&0]S¢
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A.空隙率小dv4©bbs.3c3t.comÓ5VG&0]S¢
B、总表面积小dv4©bbs.3c3t.comÓ5VG&0]S¢
C、总表面积大dv4©bbs.3c3t.comÓ5VG&0]S¢
D、空隙率和总表面积均较小dv4©bbs.3c3t.comÓ5VG&0]S¢
3.中砂的细度模数MX为(B )。dv4©bbs.3c3t.comÓ5VG&0]S¢
dv4©bbs.3c3t.comÓ5VG&0]S¢
A、3.7~3.1 B、3.0~2.3 C、2.2~1.6 D、1.4dv4©bbs.3c3t.comÓ5VG&0]S¢
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dv4©bbs.3c3t.comÓ5VG&0]S¢
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] 色。dv4©bbs.3c3t.comÓ5VG&0]S¢
dv4©bbs.3c3t.comÓ5VG&0]S¢
A .玫瑰红dv4©bbs.3c3t.comÓ5VG&0]S¢
B .黄dv4©bbs.3c3t.comÓ5VG&0]S¢
C .红dv4©bbs.3c3t.comÓ5VG&0]S¢
D .兰dv4©bbs.3c3t.comÓ5VG&0]S¢
5、氧化镁含量为(A )是划分钙质石灰和镁质石灰的界限。dv4©bbs.3c3t.comÓ5VG&0]S¢
dv4©bbs.3c3t.comÓ5VG&0]S¢
A、5% B、10% C、15% D、20%dv4©bbs.3c3t.comÓ5VG&0]S¢
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详见附件dv4©bbs.3c3t.comÓ5VG&0]S¢