电厂第二批学员汽机专业第二周培训考试（100分）测试卷及答案

电厂第二批学员汽机专业第二周培训考试（100分）测试卷及答案本次考试答案为单选或多选，请认真读题后选择正确答案。您的姓名：[填空题]*_________________________________2.循环水泵启动要求________xunhuanshuibengqidongyaoqiu。【单选题】[单选题]*A；连锁退出入口门开启出口门关闭liansuotuichurukoumenkaiqichukoumengguanbi(正确答案)B；连锁退出入口门关闭出口门开启liansuotuichurukoumenguanbichukoumengkaiqi3.循环水泵停运________xunhuanshuibengtingtun【单选题】[单选题]*A；出口门关闭停运循环水泵chukoumengguanbitingyunxunhuanshuibeng(正确答案)B；入口门关闭停运循环水泵rukoumenguanbitingyunxunhuanshuibeng4.B25-13.2/535/1.2汽轮机中，"B"代表________式汽轮机。B25-13.2/535/1.22qilunjizhong,Bdaibiao---------shiqilunji【单选题】[单选题]*A；凝汽ningqiB；背压beiya(正确答案)5.B25-13.2/535/1.2汽轮机中，"1.2"代表背压排汽压力________MPa.B25-13.2/535/1.22qilunjizhong,1.2daibiaobeiyapaiqiyaliwen________MPa。【单选题】[单选题]*A：1.0B：1.2(正确答案)6.我厂汽轮机设计有________台。Wochangqiluijishejiyou________台。【单选题】[单选题]*A：2B：4(正确答案)C：67.C30-13.2/535/1.2汽轮机中，"C"代表________式汽轮机。C30-13.2/535/1.2qilunjizhongCdaibiao--------shiqilunji【单选题】[单选题]*A；凝汽ningqi(正确答案)B；背压beiya8.凝结水泵运行方式分为_______。ningjieshuibengyunxingfangshifenwei_______*A：变频bianpin(正确答案)B：工频gongpin(正确答案)9.主蒸汽系统减溫减压装置有________套。ZhuzhengqixitongjianweijianyaZhuangziyou________tao.【单选题】[单选题]*A：2B：3C：4(正确答案)10.真空泵启动顺序。zhenkongbengqidongshunxu________【单选题】[单选题]*A：充水→开泵→开进气门chongshui→kaibeng→kaijinqimei(正确答案)B：充水→开进气门→开泵chongshui→kaijinqimei→kaibengC：开泵→开进气门→充水kaibeng→kaijinqimei→chongshui11.真空泵停运顺序。zhenkongbengtingyunshunxu________.【单选题】[单选题]*A：关进气门→停水→停泵guanjinqimen→tingshui→tingbengB：关进气门→停泵→停水guanjinqimen→tingben→tingshui(正确答案)12.电动给水泵出口压力Mpa.diandonggeishuibengchukouyali________Mpa。【单选题】[单选题]*A：12MpaB：14MpaC：16Mpa(正确答案)13.减温减压器减温水取自________。Jianwenjianyaqijianwenshuiquzi_______.【单选题】[单选题]*A：凝结水ningjieshuiB：给水泵中间抽头geishuibengzhongjianchoutou(正确答案)14.高压加热器投运顺序________。Gaoyajiareqitouyunshunxu________.【单选题】[单选题]*A：先水侧后汽测xianshuicehouqice(正确答案)B：先汽侧后水侧xianqicehoushuiceC：同时进行tongshijinxing15.除氧器高度在多少________米。Chuyangqigaoduzaiduoshao________mi.【单选题】[单选题]*A：4B：8C：16(正确答案)16.汽轮机真空泵主要作用是().qiluijizhenkongbenqzhuyaozhuoyongshi()【单选题】[单选题]*A.抽出凝汽器内不凝结气体，建立和维持凝汽器真空chouchuningqiqinengbuningjieqiti.(正确答案)B.抽出凝结水chouchunijieshuiC.给系统打压geixitongdayaD.抽轴封蒸汽chouzhoufengzhengqi17.汽轮机低压轴封的作用（）qiluijideyazhoufengdezhuoyong【单选题】[单选题]*A：防止蒸汽漏出fangzhizhengqilouchuB：防止空气漏入凝汽器fangzhikongqilouruningqiqi(正确答案)C：冷却转子lengquezhuanziD：加热给水jiaregeishui18.汽轮机热态启动，可以使用低温蒸汽做轴封供汽。()qiluijiretaiqidongkeyishiyongdiwenzhengqizhuozhoufenggongqi.【单选题】[单选题]*A：可以keyiB：不可以bukeyi(正确答案)19.轴封压力过高会使润滑油进水乳化。()zjoufengyaliguogaohunshirunhuayoujinshuiruhua【单选题】[单选题]*A：正确zhengque(正确答案)B：错误chuowu20.停机过程，真空没有到零就停止轴封供汽，空气会进入汽缸。()tingjiguochengzhenkongmeiyoudaoligjiutingzizhoufenggongqi,kongihunjinruqigang.【单选题】[单选题]*A：正确zhengque(正确答案)B：错误chuowu21、热电厂三大核心设备是（

）？Rèdiànchǎngsāndàhéxīnshèbèishì（

）？*A.锅炉Guōlú

(正确答案)B.引风机YǐnfēngjīC.汽轮机qìlúnjī

(正确答案)D.发电机fādiànjī(正确答案)22、高压加热器停运顺序________。Gaoyajiareqitingyunshunxu________.【单选题】[单选题]*A：先水侧后汽测xianshuicehouqiceB：先汽侧后水侧xianqicehoushuice(正确答案)C：同时进行tongshijinxing23、电厂高压蒸汽的压力是多少？温度是多少？Diànchǎnggāoyāzhēngqìdeyālìshìduōshao？wēndùshìduōshao？*A.压力：1.0MPa(正确答案)B.温度：210℃(正确答案)C.压力：0.6MPaD.温度：158℃24.电厂低压蒸汽的压力是多少？温度是多少？DiànchǎngDīyāzhēngqìdeyālìshìduōshao？wēndùshìduōshao？*A.压力：1.0MPaB.温度：210℃C.压力：0.6MPa(正确答案)D.温度：158℃(正确答案)25.电厂汽轮发电机组共有4台，分别是多大功率的？Diànchǎngqìlúnfādiànjīzǔgòngyǒu4tái,fēnbiéshìduōdàgōnglǜde?*A.2台60MW抽凝2tái60MWchōuníngB.2台30MW抽凝2tái30MWchōuníng(正确答案)C.2台25MW背压2tái25MWbèiyā(正确答案)D.2台60MW背压2tái60MWbèiyā26.机组型号C30-13.2/535/1.2，30代表（）jizhuxinghaoC30-13.2/535/1.2，30daibiao【单选题】[单选题]*A.主汽温度30度zhuqiwendu30duB.额定发电功率30MWedingfadiangongliu30MW(正确答案)C.抽汽压力3.0MPachouqiyali3.0MPaD.额定转速30转edingzhuansu30zhuan.27.机组启动正确操作顺序（）jizhuqidongzhengquechaozhuoshunxiu【单选题】[单选题]*A.先抽真空，后投轴封xianchouzhenkong,houtongzhoufengB.先投轴封后抽真空xiantouzhoufenghoutongzhengkong(正确答案)C.同步进行tongbujinxingD.无顺序要求wushuixiuyaoqiu28.凝汽器的主要作用（）ningqiqidezhuyaozhuoyong【单选题】[单选题]*A.冷却给水lengquegeishuiB.冷却汽轮机排汽，建立真空，回收凝结水lengqueqiluijipaiqi,jianlizhenkong,huishounijieshui(正确答案)C.加热抽汽jiarechouqiD.调节气温tiaojiqiwei29.汽轮机正常运行中，凝汽器真空越高，机组效率（）qiluijizhengchangyunxingzhong,niqiqizhenkongyuegao,jizhuxiaoliu【单选题】[单选题]*A.越高yuegao(正确答案)B.越低yuediC.不变bubianD.无规律wuguiliu30.汽轮机震动大首要危害是（）qiluijizhendongdashouyaowenhaishi【单选题】[单选题]*A.油温升高youwenshenggaoB.轴瓦损坏，动静摩擦，损坏设备zhouwashunhuai,dongjingmoca,shunhuaisheben(正确答案)C.压力升高yalishenggaoD.水位升高shuiwenshenggao31.#1汽轮机轴封供汽有（）路汽源.#1qiluijizhoufenggongqiyou()luqiyuan【单选题】[单选题]*A.1B.2C.3(正确答案)32.工业水系统工艺水泵有________台。Gongyeshuixitonggongyeshuibengyou_______tai.【单选题】[单选题]*A：2B：3(正确答案)C：433.润滑油颗粒度超标投用什么________滤油机。Runhuayoukeliduchaobiaotouyongshenmo________luyouji.【单选题】[单选题]*A.真空滤油机zhenkongluyoujiB.板式滤油机banshiluyouji(正确答案)34.凝汽器器投运顺序________。Ningqiqitouyunshunxu________.【单选题】[单选题]*A：先水侧后汽测xianshuicehouqice(正确答案)B：先汽侧后水侧xianqicehoushuiceC：同时进行tongshijinxing35.如果泵轴承润滑不足，会发生（）Rúguǒbèngzhóuchéngrùnhuábùzú，huìfāshēng（）*A.泵轴会过热并损坏bèngzhóuhuìguòrèbìngsǔnhuài(正确答案)B.泵壳损坏bèngkésǔnhuàiC.泵轴承损坏bèngzhóuchéngsǔnhuài(正确答案)D.泵叶轮损坏bèngyèlúnsǔnhuài36.泵的巡检内容有（）Bèngdexúnjiǎnnèiróngyǒu（）*A.检查泵和电机状态：注意异常声音、过度振动或过热Jiǎnchábènghédiànjīzhuàngtài：zhùyìyìchángshēngyīn、guòdùzhèndònghuòguòrè(正确答案)B.检查轴承润滑：根据规格添加润滑油或润滑脂Jiǎncházhóuchéngrùnhuá：gēnjùguīgétiānjiārùnhuáyóuhuòrùnhuázhī(正确答案)C.检查压力和流量：确保泵运行正常Jiǎncháyālìhéliúliàng：quèbǎobèngyùnxíngzhèngcháng(正确答案)D.检查泄漏：检查密封、管道及接头是否漏液J