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