公路工程试验检测试卷库è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê《材料》试题è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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姓名è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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准考证号è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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成绩è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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一.单项选择è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
1.钢材焊接拉伸试验,一组试件有2根发生脆断,应再取( Cè}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
)根进行复验。è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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A. 2è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
B.è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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C . 6è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
2.配制混凝土用砂的要求是尽量采用(Dè}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
)的砂。è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
A.空隙率小è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
B、总表面积小è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
C、总表面积大è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
D、空隙率和总表面积均较小è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
3.中砂的细度模数MX为(B )。è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
A、3.7~3.1 B、3.0~2.3 C、2.2~1.6 D、1.4è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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Aè}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
] 色。è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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A .玫瑰红è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
B .黄è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
C .红è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
D .兰è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
5、氧化镁含量为(A )是划分钙质石灰和镁质石灰的界限。è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
A、5% B、10% C、15% D、20%è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê
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详见附件è}Wªô³¢bbs.3c3t.com:'ÙUr¥àê