【多选题】
架空通信线路距市区树木（）m，距郊区树木（）m。___
A. 1
B. 1.25
C. 1.5
D. 1.75
E. 2
F. 2.5
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答案
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相关试题
【多选题】
架空通信线路与1-10KV以下电力线交叉最小垂直净距，架空电力线有防雷保护设备≥（）m，架空电力线无防雷保护设备≥（）m。___
A. 2
B. 3
C. 4
D. 5
E. 6
F.
【多选题】
工程设计电缆芯线使用率：电话局—交接箱（），交接箱—不复杂的终端配线设备（） 。___
A. 40——60
B. 45——65
C. 50——70
D. 60——80
E. 70——90
F. 85——90
【多选题】
为了适应现代化城市建设与信息发展的需要，保证信息通信管道与通道工程建设中的（）指标达到设计要求，制定《通信管道工程施工及验收规范》。___
A. 材料
B. 施工
C. 随工检查
D. 竣工验收
E.
F.
【多选题】
钢筋排列的形状及各部位尺寸，主筋与分布筋的位置均应符合设计图纸的规定，严禁倒置;主筋间距误差应不大于（）mm，分布筋间距误差应不大于（）mm。___
A. 5
B. 10
C. 15
D. 20
E.
F.
【多选题】
砌块砌体横缝应为15 -- 20 mm，竖缝应为10-15mm,横缝砂浆饱满程度应不低于80%，竖缝灌浆必须（）不得出现跑漏现象。___
A. 饱和
B. 饱满
C. 严实
D. 严密
E.
F.
【多选题】
设计规定抹面的砌体，应将墙面清扫干净，抹面应（），墙角不得歪斜。抹面厚度、砂浆配比应符合设计规定。勾缝的砌体，勾缝应整齐均匀，不得空鼓，不应脱落或遗漏。___
A. 平整
B. 平滑
C. 压光
D. 不空鼓
E.
F.
【多选题】
通信管道工程用砂应符合下列规定:___
A. 砂中的轻物质,按重量计不得超过3%。
B. 砂中的硫化物和硫酸盐，按重量计不得超过1%。
C. 砂中含泥量，按重量计不得超过5%。
D. 砂中不得含有树叶、草根、木屑等杂物。
E. 砂应该选天然的粗砂。
F.
【多选题】
管道施工开挖时,如发现间距不符合标准或危及其他设施安全时,应向建设单位反映,在未取得（）和（）同意时，不得继续施工。___
A. 建设单位
B. 设计单位
C. 产权单位
D. 监理单位
E. 施工单位
F.
【多选题】
通信管道工程施工现场堆土,应符合下列要求:___
A. 开凿的路面及挖出的石块等应与泥土分别堆置。
B. 堆土不应紧靠碎砖或土坯墙，并应留有行人通道。
C. 城镇内的堆土高度不宜超过1.5m。
D. 堆土的坡脚边应距沟（坑）边40cm。
E. 堆土的范围应符合市政、市容、公安等部门的要求。
F.
【多选题】
人（手）孔、通道内支架穿钉的预埋符合下列规定:___
A. 穿钉的规格、位置应符合设计规定，穿钉与墙体应保持垂直。
B. 上、下穿钉应在同一垂直线上，允许垂直偏差不应大于5mm,间距偏差应小于10mm。
C. 相邻两组穿钉间距应符合设计规定，偏差应小于20mm。
D. 穿钉露出墙面应适度，应为50～70mm；露出部分应无砂浆等附着物，穿钉螺母应齐全有效。
E. 穿钉安装必须牢固。
F.
【多选题】
上覆、盖板外形尺寸、设置的高程应符合设计图纸的规定，外形尺寸偏差不应大于（），厚度允许最大负偏差不应大于（），预留孔洞的位置及形状，应符合设计图纸的规定。___
A. 5mm
B. 10mm
C. 15mm
D. 20mm
E. 25mm
F.
【多选题】
水泥管道的基础,除应符合设计规定外,遇有与设计文件不符的地质情况时,宜符合下列规定:___
A. 土质较好的地区（如硬土）,挖好沟槽后夯实沟底。
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C. 土质稍差的地区（如松软不稳定地区），挖好沟槽后应做钢筋混凝土基础。
D. 土质为岩石的地区，管道沟底要保证平整。
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F.
【多选题】
主筋宜用直径10mm的热扎光面钢筋（HPB235级）、筋间中心间距宜为（）或（）。___
A. 40mm
B. 60mm
C. 80mm
D. 100mm
E. 120mm
F.
【多选题】
塑料管埋设时,在人行道下不应小于();在车行道下不应小于();与轨道交越不应小于();与铁路交越不应小于()。___
A. 0.5m
B. 0.7m
C. 0.8m
D. 1.0m
E. 1.5m
F.
【多选题】
对管道接续的随工检验应包括下列内容:___
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C. 管道接续质量（应逐个检查）。
D. 多层多孔管铺设其管子接口宜错开。
E. 珊格管、波纹管或硅芯管组成管群应按规定间隔。采用勒带捆绑一次。蜂窝管或梅花管宜用支架排列整齐。
F. 不同人孔之间的管位应一致且管群断面应符合设计要求。
【多选题】
通信管道总体规划应包括（）等规划和建设方案，除考虑使用外，还应考虑形成管道网络、实施的可行性和经济性。___
A. 主干管道
B. 支线管道
C. 驻地网管道
D. 核心网管道
E. 骨干层管道
F.
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