【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
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ABCD
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相关试题
【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
【多选题】
触发CD21(切除相应环路主泵)信号有___
A. 隔离故障蒸汽发生器水侧信号（CD12）
B. SGTR隔离信号（CD13）
C. 一回路热腿温度大于260℃时，误关闭主蒸汽快速隔离阀
D. 一回路热腿温度大于260℃时，单台SG液位低于正常液位0.5m，并且没有两台SG液位低于正常液位0.3m。
【多选题】
发生SGTR启动JDH系统后，JDH泵何时切除___
A. 一回路压力小于7.9MPa
B. SGTR信号消失后，操纵员手动复位
C. JDH泵启动信号存在，但稳压器液位超过9.4m
D. 一回路压力小于7.5MPa
【多选题】
当安全壳一级隔离CB11动作时，动作命令有___
A. 关闭KLD10AA801~804
B. 关闭KLD20AA801~804
C. 关闭KTF40AA801
D. 关闭KTF60AA801,802
【多选题】
下列属于CE11“地震时系统隔离”动作的是___
A. 关闭LBA10-40AA501,101,102
B. 关闭SG排污LCQ15,16AA801,802
C. 关闭一回路下泄阀门KBA11,12AA101,102
D. 关闭所有安全壳隔离阀
【多选题】
CB12动作后，关于信号复位描述正确的包括___
A. 事故信号持续30min后，才能复位2a组
B. 事故触发信号消失后，才能复位2b组
C. 事故触发信号消失后，才能复位2a组
D. 事故信号持续30min后，才能复位2b组
【多选题】
启动BD11保护信号有（与门）___
A. 蒸汽发生器液位低于正常液位0.9m
B. 任一环路热段温度大于150
C. 没有隔离故障蒸汽发生器水侧信号CD12
D. 蒸汽发生器液位低于正常液位0.65m
【多选题】
事故情况下启动辅助给水泵，自动打开的阀门有___
A. LAB10-40AA111
B. LAH30AA101（高加后）
C. LAH31AA101（高加前）
D. LAB10-40AA113
【多选题】
下列蒸汽发生器液位相关逻辑正确的有：___
A. 当汽轮机主汽门打开，蒸汽发生器液位高于设定值 0.15 m，关闭蒸汽发生器液位调节阀门LAB10（20，30，40）AA211、212。
B. 当蒸汽发生器液位高于设定值 0.3 m，关闭液位调节阀门前的截止阀LAB10（20，30，40）AA111、113和隔离阀门LAB10(20,30,40)AA801。
C. 当蒸汽发生器的液位下降到比正常液位高 0.08m 时，重新打开液位调节阀门前的截止阀LAB10（20，30，40）AA111、113和隔离阀门LAB10（20，30，40）AA801。
D. 当一回路任意热段温度大于260℃时，蒸汽发生器液位高于正常液位 0.45m ;或者当出现任意停堆跳堆信号时，汽轮机保护跳闸。
【多选题】
关闭蒸汽发生器排污阀门（BD22）的信号有：___
A. 蒸汽发生器液位低于正常液位300mm；
B. 反应堆功率小于额定功率的30％；
C. 一回路温度大于150℃；
D. 蒸汽发生器排污系统扩容箱液位大于0.62m。
【多选题】
关于BE24保护描述正确的是___
A. 保护中涉及到得阀门是通过硬接线方式与后备盘连接的；
B. 只能在后备盘中操作JEF15AA101,102或KTB20AA103,113,123；
C. OM画面上也能操作JEF15AA101,102或KTB20AA103,113,123；
D. 该保护的目的是紧急情况下给一回路降压；
【多选题】
关于BE25保护描述正确的是___
A. 触发信号是反应堆上部压力大于18.6MPa，且两个热腿冷却剂温度大于278℃。
B. 会启动辅助给水泵
C. 开启LAB10-40AA113/212
D. 切除汽机
【多选题】
DA21信号动作后逻辑顺序如下_________
A. BDA（BDC）电压<2.52KV延时2秒
B. 根据分级启动程序投入用户
C. 当柴油机转速>1000rpm&柴油发电机出口电压>6.3KV时合Q5
D. 断开Q3,Q4并且启动相应通道的机组柴油机
【多选题】
AB22――第二类预保护PP1触发条件_________
A. 工作量程测得的中子通量变化周期小于40s
B. 工作量程测得的中子通量密度超过允许值1.5%
C. 堆芯上部压力大于16.2MPa
D. 单束控制棒落入堆芯（&没有APP信号）
【判断题】
当低压安注转地坑运行之后，低压安注再循环管线阀门将被关闭。低压安注泵的压头为1.5MPa，如果堆芯上部压力大于2.0MPa，将不能保证泵的最小工作流量，这样将会造成泵体损伤，所以要停泵
A. 对
B. 错
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