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ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯《材料》试题ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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姓名ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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成绩ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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一.单项选择ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
1.钢材焊接拉伸试验,一组试件有2根发生脆断,应再取( CÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
)根进行复验。ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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A. 2ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
B.ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
4ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
C . 6ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
2.配制混凝土用砂的要求是尽量采用(DÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
)的砂。ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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A.空隙率小ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
B、总表面积小ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
C、总表面积大ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
D、空隙率和总表面积均较小ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
3.中砂的细度模数MX为(B )。ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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A、3.7~3.1 B、3.0~2.3 C、2.2~1.6 D、1.4ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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AÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
] 色。ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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A .玫瑰红ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
B .黄ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
C .红ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
D .兰ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
5、氧化镁含量为(A )是划分钙质石灰和镁质石灰的界限。ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
A、5% B、10% C、15% D、20%ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯
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详见附件ÎW17Àlþwrbbs.3c3t.com¨fàÐV¯