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1、学建筑,考建造师到鸭题com库YaTiKu.做精准试题,更多押题资料下载窗体顶端二级建造师《机电工程管理与实务》成功过关试题一、单项选择题(每题1分)第1题在设备安装时,,较薄的平垫铁应该放在( )。A.紧贴着设备底座 B.垫铁组中间C.垫铁组下部 D.紧贴着设备基础正确答案:B,第2题只适用于轻载连接的键是( )。A.平键 B.半圆键C.楔向键 D.切向键正确答案:B,第3题二氧化碳储存容器(瓶组)及配套的容器阀、单向阀和集流管应设置在专用间内,安装在有可能引起爆炸危险的可燃气体、蒸汽或粉尘等场所的气体灭火
2、管道,应设()装置。A.制冷接地 B.排风接地C.防静电接地 D.防火接地正确答案:C,cluesspecificofpetitionreported"wherementionwillcheck",stronglypreventemployingoversightand"sickpromoted".Toensurethegeneralairfresh.Generalcultureisaplaceofpoliticalecology"barometer",directlyrelatedtotheconstruc
3、tionofthecontingentofcadres.Toseriousgeneraldiscipline,breakgeographicalsectorboundariestothingoptionalpeople,andpeoplegangphasesuitable,andwithitsDirector,onthoseinsistedprinciples,andpracticalofficer,andnotrundon'tandlong-terminhardpostworkofcadrestofocus
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8、题com库YaTiKu.做精准试题,更多押题资料下载第4题架空线路导线架设应在( )及调整后进行。A.跳线连接 B.电杆编号C.拉线安装D.横担防腐正确答案:C,第5题自动化仪表设备及材料的保管应使测量仪表、控制仪表、计算机及其外部设备等精密设备,宜存放在温度为5?40°C、相对湿度不大于()的保温库内。A.20% B.40%C.60% D.80%正确答案:D,第6题照明供电系统中,电源中性点直接接