皮皮学,免费搜题
登录
搜题
【单选题】
下列事故不适用于《电力安全事故应急处置和调查处理条例》的是()。
A.
某电网因继电保护误动作、安全稳定控制装置拒动等原因引发多条500kV线路和220kV线路跳闸、多台发电机组退出运行,损失负荷占省网负荷16%以上
B.
某供电局220kV变电站运行人员造成一起带地线合隔离开关的恶性误操作事故,引发多条220kV线路跳闸,损失负荷占省级电网负荷的20%以上
C.
某一在建水电站发生高处坠落事故,造成2人死亡
D.
冰冻灾害导致三省80%以上供电用户停电
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】【图片】If in the p-V plot the curves indicate isothermic processes (T1 to T3), in the T-S plot, and for three different conditions, the curves indicate:
A.
Endothermic processes;
B.
Exothermic processes
C.
Isobaric processes
D.
Isochoric processes
【单选题】严重腹泻时大量肠液丢失,可引起( )。
A.
高渗性脱水
B.
低渗性脱水
C.
等渗性脱水
D.
混合性脱水
【单选题】● Project Time Management includes the processes required to manage timely completion of the project, these processes interact with each other. (74) is following the process- Estimate Activity Duratio...
A.
Develop Schedule
B.
Estimate Activity Resources
C.
Define Activities
D.
Sequence Activities
【多选题】Assume that Z(t) = X(t) + Y(t), where X(t) and Y(t) are jointly stationaryrandom processes.
A.
Z(t) is a stationary process
B.
Sz(f) = Sx(f) + Sy(f)
C.
Sz(f) = Sx(f) + Sy(f) + Sxy(f) + Syx(f)
D.
If the two processes X(t) and Y(t) are uncorelated and at least one of the processes is zero mean,then Sz(f) = Sx(f) + Sy(f)
【单选题】严重腹泻时大量肠液丢失,可引起
A.
高渗性脱水
B.
低渗性脱水
C.
等渗性脱水
D.
混合性脱水
E.
以上都是
【单选题】The second paragraph implies that testing for anabolic steroids
A.
is always accurate and reliable.
B.
is proved to be inaccurate.
C.
may sometimes show inaccuracy.
D.
has helped end doping in sport.
【多选题】Two random processes X(t) and Y(t) arejointly wide-sense stationar, then
A.
X(t) is  stationary.
B.
Y(t) is stationary .
C.
Cross-corelation RXY(t1, t2) depends ony on r = t1 - t2
D.
as long as both X(t) and Y(t) are individually stationary
【简答题】定义合成代谢(anabolic)、分解代谢(catabolic)和代谢(metabolic)。
【简答题】自三国两晋到明清期间,古典园林设计得到了充分的发展,以明清北京的圆明园和颐和园为代表的皇家园林和以( )为代表的江南私家园林将中国古典造园水平推向了顶峰。
【判断题】Anabolic processes typically consume energy, whereas catabolic processes can make stored energy available.
A.
正确
B.
错误
相关题目: