北航《新型建筑材料》在线作业一（BUAA new building materials online homework）.docVIP

下载本文档

2
0
约5.01千字
约 11页
2018-06-01 发布于江西
举报
版权申诉

北航《新型建筑材料》在线作业一（BUAA new building materials online homework）.doc

1、本文档共11页，可阅读全部内容。
2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
5、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
6、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
7、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
8、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

北航《新型建筑材料》在线作业一（BUAA new building materials online homework）.doc

北航《新型建筑材料》在线作业一（BUAA new building materials online homework） BUAA new building materials online homework Total score: 100 test time: - Radio examination A multiple-choice question Judgment question Radio examination questions (10 questions, 40 points) 1. mixing concrete with the same mark cement, the strength of concrete mainly depends on (). A. sand rate B. water consumption C. water cement ratio D. stone strength Full marks: 4 2. in the following steels, the best plasticity and weldability are (). A. Q215 B. Q255 C. Q275 D. Q235 Full marks: 4 3. slag cement and volcanic ash cement, the two () different. A. frost resistance B. hydration heat C. heat resistance D. intensity development Full marks: 4 4. when the free water evaporates and the adsorbed water is still saturated, the moisture content of wood is called wood. A. equilibrium moisture content B. standard moisture content C. fiber saturation point D. air dry water content Full marks: 4 5. wet sand 100g with water content of 5%, in which the weight of water is () A. 5g B. 4.76 C. 5.26 D. 4 Full marks: 4 6. prestressed hollow wallboard belongs to (). A. gypsum wallboard B. cement wall C. composite wallboard D. net plastic sandwich panel Full marks: 4 7. the ageing of lime in order to (). A. is good for crystallization B. evaporates excess moisture C. eliminates the danger of excessive lime D. reduces calories Full marks: 4 The strength grade of 8. fired common bricks is based on (). A. compressive strength and flexural strength B. big face and strip surface compressive strength C. compressive strength average and single block minimum D. compressive strength average value and strength standard value Full marks: 4 9. when choosing the structural material under dynamic load, the following materials should be chosen. A. materials with good plasticity B. materials with good toughness C. material with good elasticity D. materials of good hardness Full marks: 4 10. modulus of elasticity reflects the quality of steel.