安全停堆 safe shutdown
安全停堆 safe shutdown
相关考题：
AP1000核电厂正常余热排除系统执行的安全功能有()。 A.在功率运行和停堆工况，保持反应堆冷却剂系统压力边界的完整性B.事故后，为了长期保持安全壳的水装量，提供安全壳补水的通路C.反应堆冷却剂系统的停堆冷却D.乏燃料池的冷却
假设用户正在执行UPDATE操作,此时用以下哪种方法可以关闭数据库() A.SHUTDOWN或SHUTDOWN IMMEDIATE或SHUTDOWN ABORTB.SHUTDOWN或SHUTDOWN NORMAL或SHUTDOWN TRANSACTIONALC.SHUTDOWN NORMAL或SHUTDOWN ABORT或SHUTDOWN IMMEDIATED.SHUTDOWN或SHUTDOWN IMMEDIATE或SHUTDOWN TRANSACTIONALE.SHUTDOWN ABORT或SHUTDOWN IMMEDIATE或SHUTDOWN TRANSACTIONAL
The deck water seal of the inert gas system ______．A.Cools the inert gas and prevents soot from entering the cargo tanksB.Acts as an emergency shutdown when inlet pressures exceed the safe working pressureC.Prevents the backflow of hydrocarbon gasses into nonhazardous areasD.Relieves sudden large overpressures in the system
故障安全控制系统FSC的英文全称是（）。A、Fail safe control systemB、Fail system controlC、Fail safe computerD、Fail safe control
Sailors should know the （）(安全工作负荷量)of derricks.A、safe working loadB、safety work loadC、safe work loadD、safe working loading
核岛的核蒸汽供应系统有（）。A、一回路主系统、化学和容积控制系统、余热排出系统（又称停堆冷却系统）、安全注射系统（又称紧急堆芯冷却系统）、控制、保护和检测系统；B、设备冷却水系统、硼回收系统、反应堆的安全壳及喷淋系统、核燃料的装换料及贮存系统、安全壳及核辅助厂房通风和过滤系统、柴油发电机组；C、一回路主系统、化学和容积控制系统、余热排出系统（又称停堆冷却系统）、设备冷却水系统、反应堆的安全壳及喷淋系统；D、核燃料的装换料及贮存系统、安全壳及核辅助厂房通风和过滤系统、一回路主系统、化学和容积控制系统、余热排出系统（又称停堆冷却系统）、安全注射系统（又称紧急堆芯冷却系统）。
假设用户正在执行UPDATE操作，此时用以下哪种方法可以关闭数据库（）A、SHUTDOWN或SHUTDOWN IMMEDIATE或SHUTDOWN ABORTB、SHUTDOWN或SHUTDOWN NORMAL或SHUTDOWN TRANSACTIONALC、SHUTDOWN NORMAL或SHUTDOWN ABORT或SHUTDOWN IMMEDIATED、SHUTDOWN或SHUTDOWN IMMEDIATE或SHUTDOWN TRANSACTIONALE、SHUTDOWN ABORT或SHUTDOWN IMMEDIATE或SHUTDOWN TRANSACTIONAL
单选题The deck water seal of the inert gas system（）.Acools the inert gas and prevents soot from entering the cargo tanksBacts as an emergency system shutdown when the inlet pressures exceed the safe working pressure in the hazardous zoneCprevents the backflow of hydrocarbon gasses into nonhazardous areasDrelieves sudden large overpressures in the system
单选题The deck water seal of the inert gas system（）.Acools the inert gas and prevents soot from entering the cargo tanksBacts as an emergency shutdown when inlet pressures exceed the safe working pressureCprevents the backflow of hydrocarbon gasses into nonhazardous areasDrelieves sudden large overpressures in the system