2017年二建机电工程实务真题解析(一).pdf
《2017年二建机电工程实务真题解析(一).pdf》由会员分享,可在线阅读,更多相关《2017年二建机电工程实务真题解析(一).pdf(13页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、第 1 页/共 13 页2017 年二建建造师机电真题及解析一、单项选择题(共20 题,每题 1 分。每题的备选项中,只有1 个最符合题意)。1.合金结构钢的强度等级是根据()划分的。A.屈服强度B.抗拉强度C.抗压强度D.抗弯强度【参考答案】A【考点】黑色金属材料【考点来源】2H311011 金属材料的类型及应用参见教材 P2【解析】本题考查的是黑色金属材料。合金结构钢根据屈服强度划分,共有Q345、Q390、Q420、Q460、Q500、Q550、Q620等强度等级。2.关于长距离输电线路铁塔基础施工测量的说法,正确的是()。A.根据沿途实际情况测设铁塔基础B.采用钢尺量距时的丈量长度适宜
2、于80100m C.一段架空线路的测量视距长度不宜超过400m D.大跨越档距之间不宜采用解析法测量【答案】C【考点】机电工程中常见的工程测量【考点来源】2H312011 测量要求和方法参见教材 P20【解析】本题考查的是机电工程中常见的工程测量。长距离输电线路定位并经检查后,可根据起、止点和转折点及沿途障碍物的实际情况,测设钢塔架基础中心桩,并非直接测设基础,选项A 错误;当采用钢尺量距时,其丈量长度不宜大于80m,同时不宜小于20m,选项 B 错误;大跨越档距测量。在大跨越档距之间,通常采用电磁波测距法或解析法测量,选项D 错误。考虑架空送电线路钢塔之间的弧垂综合误差不应超过确定的域度值,
3、一段架空送电线路,其测量视距长度,不宜超过400m。选项 C正确。3.起重吊装采用2 个以上吊点起吊时,下列吊索与水平夹角,宜选用的角度是()。A.45B.50第 2 页/共 13 页C.55D.60【答案】D【考点】钢丝绳和轻小型起重设备【考点来源】2H312021 主要起重机械与吊具的使用要求参见教材 P24【解析】本题考查的是钢丝绳和轻小型起重设备。若采用2 个以上吊点起吊时,每点的吊索与水平线的夹角不宜小于60。4.下列焊接方法中,焊接飞溅最大的焊接方法是()。A.气焊B.手工电弧焊C.CO2气体保护焊D.埋弧自动焊【答案】C【考点】焊接工艺的选择【考点来源】2H312031 焊接工艺
4、的选择与评定参见教材 P30【解析】本题考查的是焊接工艺的选择。二氧化碳保护焊的缺点是弧光辐射较强,必须注意个人安全防护;抗风能力差,不宜在露天焊接;焊接飞溅大,焊缝成型不如埋弧焊美观;焊接设备相比手工焊较为复杂,易出故障。5.若无设计规定,一般负压锅炉的风压试验压力是()。A.0.4Kpa B.0.5Kpa C.0.6 Kpa D.1.0Kpa【答案】B【考点】锅炉系统主要设备的安装技术要求【考点来源】2H313041 汽轮发电机系统主要设备的安装技术要求参见教材 P77【解析】本题考查的是锅炉系统主要设备的安装技术要求。锅炉密封工作结束后,对炉膛进行气密试验,并处理缺陷至合格,风压试验压力
5、按设备技术文件规定来选择,如无规定时,试验压力可按炉膛工作压力加0.5kPa 进行正压试验,一般负压锅炉的风压试验压力选0.5kPa。文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2
6、N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2
7、 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M1
8、0S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O
9、4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:
10、CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1
11、H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4第 3 页/共 13 页6.下列静
12、置设备设计压力值(P)的范围中,正确的是()。A.常压设备:P0.12Mpa B.低压设备:0.12MpaP1.6Mpa C.中压设备:1.6MpaP10Mpa D.高压设备:10Mpa P160Mpa【答案】C【考点】静置设备的分类【考点来源】2H313051 静置设备制作与安装技术要求参见教材 P78【解析】本题考查的是静置设备的分类。按设备的设计压力(P)分类常压设备:PO.lMPa;低压设备:0.lMPa Pl.6MPa;中压设备:1.6MPaPlOMPa;高压设备:lOMPa PlOOMPa;超高压设备:PlOOMPa。选项 C正确。7.温度取源部件安装在合金管道拐弯处时,错误的做法
13、是()。A.在防腐、衬里、吹扫和压力试验前安装B.用机械方法开孔C.逆着物料流向安装D.取源部件轴线与管道轴线垂直相交【答案】D【考点】自动化仪表取源部件的安装要求【考点来源】2H313062 自动化仪表设备和取源部件的安装要求参见教材 P88【解析】本题考查的是自动化仪表取源部件的安装要求。温度取源部件与管道垂直安装时,取源部件轴线应与管道轴线垂直相交;在管道的拐弯处安装时,宜逆着物料流向,取源部件轴线应与管道轴线相重合。选项D错误。8.关于管道保温层施工的做法,错误的是()。A.采用预制块做保温层时,同层要错缝,异层要压缝B.管道上的法兰等经常维修的部位,保温层必须采用可拆卸式的结构C.水
14、平管的纵向接缝位置,要布置在管道垂直中心线45范围内D.管托处的管道保温,应不妨碍管道的膨胀位移【答案】C【考点】绝热层施工技术要求文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N
15、8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2
16、ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10
17、S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4
18、文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:C
19、Z10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H
20、9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4第 4 页/共 13 页【考点来源】
21、2H313072 绝热工程施工技术要求参见教材 P97【解析】本题考查的是绝热层施工技术要求。水平管道的纵向接缝位置,不得布置在管道垂直中心线 45范围内。选项C错误。9.在耐火陶瓷纤维内衬上施工不定形耐火材料时,其表面应做()。A.绝热处理B.防水处理C.防火处理D.防腐处理【答案】B【考点】耐火陶瓷纤维施工技术【考点来源】2H313082 耐火砖砌筑施工技术要求参见教材 P106【解析】本题考查的是耐火陶瓷纤维施工技术。在耐火陶瓷纤维内衬上施工不定形耐火材料时,其表面应做防水处理。10.关于建筑管道工程系统试验的说法,正确的是()。A.管道的压力试验应在无损检测前进行B.通球试验的球径不小
22、于排水管径的2/3 C.高层建筑管道施工结束后应立即进行调整试验D.室外埋地排水管道投用前必须做灌水试验【答案】B【考点】建筑管道工程施工程序及技术要点【考点来源】2H314011 建筑管道工程的组成和施工程序参见教材 P109【解析】管道压力试验应在管道系统安装结束,经外观检查合格、管道固定牢固、无损检测和热处理合格、确保管道不在进行开孔、不再焊接作业的基础上进行,选项A错误。高层建筑管道应先按分区、分段进行试验,合格后再按系统进行整体试验,选项C 错误。室内隐蔽或埋地的排水管道在隐蔽前必须做灌水试验,而非使用前做灌水试验,选项D错误。通球试验的球径不小于排水管径的2/3,通球率必须达到 1
23、00%,C选项正确。11.下列建设工程,不需申请消防设计审核的是()。A.政府办公楼B.城市轨道交通文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1
24、O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码
25、:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M1H9N8Y5 HM8Y2N8H4T2 ZA6M10S3M1O4文档编码:CZ10M
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 2017 年二建 机电工程 实务 题解
限制150内