【单选题】
以下不可以操纵员手动触发的保护有_______
A. 停堆保护
B. APP
C. PP1
D. PP2
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答案
D
解析
暂无解析
相关试题
【单选题】
以下不是ATWS（AA21）信号触发的动作_______
A. 启动JDH10-40泵组
B. 启动PEB20/30泵组
C. 启动KAA10-40泵组
D. 打开JDH10-40泵冷却水KBC阀门
【多选题】
BA11启动高压安注系统泵信号动作结果为：___
A. 启动JND10-40AP001
B. 关闭JND11-41AA101、102
C. 打开JND10-40AA801
D. 关闭JET53AA101-108。
【多选题】
BA11动作信号，热一环路热段温度大于150度___
A. 安全壳内压力大于0.129Mpa
B. 一回路压力对应的饱和温度与热段温差小于10度
C. CD13/Div.B
D. 手动触发
【多选题】
BB22:当一回路出现压力大于3.43MPa，热段温度小于100℃时，冷脆保护执行哪些操作___
A. 切除KBA20/30/51/52/53AP001
B. 断开稳压器电加热器
C. 无BA11信号下关闭JNG50-80AA101/102泵
D. 切除JDH10-40AP001
【多选题】
当BA13（转地坑运行）动作时，发出的命令有：___
A. 开启JNG10,20(30,40)AA803
B. 关闭循环阀JND12,22(32,42)AA101,102
C. 关闭JNG12,22(32,42)AA101
D. 关闭循环阀JNG13,23(33,43)AA101,102
【多选题】
以下属于热腿温度上升＞70℃引入的保护包括：___
A.
B. A21 (LPRZ＜-0.2m，启KBA50备用泵；LPRZ =0m，停泵） B. BA21 (LPRZ＜-0.8m，启KBA20(30)；LPRZ =-0.2m，停泵）
C. BA23（LPRZ＜-1.0m，关闭KBA10、40AA101,102）
D. AA15（LPRZ＜-1.0m，且△LSG＞0.3m或△F＞42kg/s，触发AA15）
【多选题】
下列关于BA21信号说法正确的是：___
A. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<0.0m或0.2m或0.8m或1.5m，发30s脉冲信号开启KBA60AA110，KBA69AA101；
B. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<-0.2m，启动备用的小流量上充泵；
C. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<-1m，启动一台大流量上充泵，同时开启阀门JNK11/41AA101,102 ， JNK23AA101，关闭阀门KBA10AA104，KBC10,11,12AA101；
D. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<-1.5m，启动第二台大流量上充泵KBA30//20AP001。
【多选题】
BA22动作结果是将JNK水箱的正常用户从安全系统隔离，触发信号如下___
A. ATWS（AA21）信号
B. LOCA（AA13）信号（包括稳压器低液位触发LOCA）
C. SGTR（CD15）信号
D. CD13信号（来自多样性A/B）
【多选题】
触发BB12的信号有___
A.
B. EA-BED母线电压<2.52KV，延时60秒； B. BBA-BBD母线电压<2.52KV，延时60秒；
C. BBA-BBD母线频率<47.4Hz，延时60秒；
D. BEA-BED母线频率<47.4Hz，延时60秒。
【多选题】
下列关于BB12信号描述正确的是___
A. 母线BEA-BED电压（4v4）<2.52KV，延时60秒；
B. 母线BEA-BED频率（4v4）<47.4Hz，延时60秒；
C. BB12保护动作时在后备盘上使用专用的钥匙复位；
D. BB12保护动作时的报警声音与AA17动作时不同；
【多选题】
机组功率>75%Nnom的情况下，以下信号中会触发APP保护动作的是_________
A. 发电机出口开关断开
B. 机组孤岛运行
C. 多于两个主汽门关闭
D. 主给水流量与反应堆功率严重不匹配
【多选题】
DC11中启动KAA系统的信号有_________
A. 一回路饱和温度与任一环路热段温度之差小于10℃
B. 安全壳内压力大于0.129MPa
C. 来自CA11命令
D. 来自CD15命令
【多选题】
以下信号中，触发第一类预保护（PP1）动作的信号有_________
A. 中子通量变化周期小于20s
B. 一回路热段(1v4)温度高于323℃
C. 堆芯上部压力大于16.2MPa
D. 主蒸汽集管压力大于6.86MPa
【多选题】
以下信号中，触发第二类预保护（PP2）动作的信号有_________
A. 堆芯上部压力大于16.2MPa
B. 燃料棒线功率密度大于max1（max1＝PP1限值×0.98）
C. 偏离泡核沸腾裕度DNBR小于min1（min1＝1.35）
D. 单束控制棒落入堆芯
【多选题】
发生误稀释事故时，触发“反应堆紧急停堆”保护动作信号有_________
A. 反应堆周期<10s
B. 反应堆功率大于操纵员设定的功率限值
C. 反应堆功率大于根据反应堆冷却剂泵运行状态自动生成的功率限值
D. 最大线功率密度超过限值
【多选题】
控制棒意外落棒事故，可能触发“反应堆紧急停堆”保护动作信号有_________
A. 反应堆周期<10s
B. 反应堆功率>75%时，一回路压力小于14.7MPa
C. 一回路热段温度大于260℃时，没有cooldown时一回路压力<13.73MPa
D. 一回路热段温度大于328℃
【多选题】
发生SGTR启动JDH系统后，当满足下列条件之一，JDH泵停运___
A. P1k <7.5MPa（H＝0.5MPa）
B. JDH泵启动信号存在，但稳压器液位>9.4m（H＝0.1m）
C. SGTR信号消失后，操纵员手动复位
D. KAA泵停运
【多选题】
下列属于CE11“地震时系统隔离”动作的是：___
A. 关闭蒸汽发生器主给水
B. 关闭LBA10-40AA501,101,102
C. 关闭LCU正常供应，即关闭LCU02,03AA103,LCU00AA101
D. 关闭SGC02向非抗震厂房的供给
【多选题】
关于安全壳一级隔离的说法哪些是正确的：___
A. 安全壳内压力大于0.105MPa，信号消失后即可复位
B. 安全壳内放射性水平大于Max1，信号保持10min后可复位
C. 操纵员手动触发，可以立即复位
【多选题】
SGTR后，在开启非事故蒸汽发生器大气释放阀信号消失的前提下，何时将其转为维持压力工况___
A. 一回路压力小于7.9Mpa
B. 手动
C. 蒸汽发生器压力低于4.9Mpa
D. 蒸汽发生器压力低于5.0Mpa
【多选题】
CD15保护动作的结果是___
A. 启动JDH泵对堆芯应急注硼
B. 发信号至DC11,DC12，启动KAA,PEB
C. 停运JEF电加热器
D. 关闭KBA60AA110和KBA69AA101
【多选题】
关于发生SGTR时蒸汽发生器的隔离的说法哪些是正确的___
A. 关闭所有蒸汽发生器的汽侧阀门LBA10、20、30、40AA501，101，102
B. 关闭事故蒸汽发生器的大气释放阀LBU10（20，30，40）201和前置隔离阀LBU10（20，30，40）AA101
C. 关闭事故蒸汽发生器排污阀门LCQ15（25，35，45）AA801、802；LCQ16（26，36，46）AA801、802
D. 关闭事故蒸汽发生器给水阀门LAB10（20，30，40）AA111、113、801
【多选题】
CD15发生SGTR时强制降低一回路压力 功能完成准则为___
A. JDH至少两列运行
B. 向稳压器汽空间喷淋的JDH水流量不低于8Kg/S
C. 硼酸浓度不低于40g/l
D. 降低一回路压力到7.5兆帕
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