公路工程试验检测试卷库9¯Jâ¨
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9¯Jâ¨
ò~eAbbs.3c3t.comzÊuê¥Áã《材料》试题9¯Jâ¨
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ò~eAbbs.3c3t.comzÊuê¥Áã地市9¯Jâ¨
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姓名9¯Jâ¨
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准考证号9¯Jâ¨
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成绩9¯Jâ¨
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一.单项选择9¯Jâ¨
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1.钢材焊接拉伸试验,一组试件有2根发生脆断,应再取( C9¯Jâ¨
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)根进行复验。9¯Jâ¨
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A. 29¯Jâ¨
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B.9¯Jâ¨
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C . 69¯Jâ¨
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2.配制混凝土用砂的要求是尽量采用(D9¯Jâ¨
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)的砂。9¯Jâ¨
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A.空隙率小9¯Jâ¨
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B、总表面积小9¯Jâ¨
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C、总表面积大9¯Jâ¨
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D、空隙率和总表面积均较小9¯Jâ¨
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3.中砂的细度模数MX为(B )。9¯Jâ¨
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A、3.7~3.1 B、3.0~2.3 C、2.2~1.6 D、1.49¯Jâ¨
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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9¯Jâ¨
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[9¯Jâ¨
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A9¯Jâ¨
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] 色。9¯Jâ¨
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A .玫瑰红9¯Jâ¨
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B .黄9¯Jâ¨
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C .红9¯Jâ¨
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D .兰9¯Jâ¨
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5、氧化镁含量为(A )是划分钙质石灰和镁质石灰的界限。9¯Jâ¨
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A、5% B、10% C、15% D、20%9¯Jâ¨
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详见附件9¯Jâ¨
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