更多"综合自动化integrated supervision and con"的相关试题:
[单项选择]() control system is one in which the control action is independent of the output.
A. Feed back
B. Negative feed back
C. Close loop
D. Open loop
[单项选择]After the trouble of the automatic control system has been completely eliminated, assistance is () required.
A. remained
B. still
C. no longer
D. much mere
[单项选择]The flame safeguard control system of a large automatic auxiliary boiler will provide fuel shut off in the case of high ().
A. water
B. voltage
C. fuel pressure
D. steam pressure
[单项选择]Remote control means that the system is being controlled by the operator who is situated () from the system.
A. automatic
B. local
C. remote
D. manual
[单项选择]在自动化综合控制系统中包括()两方面。
A. 顺序控制和数字控制
B. 顺序控制和反馈控制
C. 模拟订控制和数字控制
D. 反馈控制和数字控制
[单项选择]Control valves of a CO2 system may be located within the protected space when().
A. it is impractical to locate them outside
B. there is also a control valve outside
C. the CO2 cylinders are also in the space
D. an automatic heat-sensing trip is installed
[单项选择]In an automation system, the effect of a control action sensed by a controller is known as ()
A. command input
B. set point signal
C. output
D. feedback
[单项选择]智能系统主要由()、办公自动化系统、防火自动化系统、安全保卫自动化系统以及结构化综合布线系统构成。
A. 节能系统、信息通信系统、防盗监控系统
B. 防盗管理系统、门禁系统、设备管理自动化系统
C. 系统集成中心、设备管理自动化系统、信息通信系统
D. 防盗警报监控系统、电视监控系统和门禁管理监控系统
[单项选择]综合自动化系统调试不包括()
A. 直流回路试验
B. 交直流回路试验
C. 综合自动化试验
D. 牵引变压器试验
[多项选择]综合自动化系统有()组成。
A. 数据识别单元
B. 微机保护测控
C. 变电站主机
D. 中央计算机
[多项选择]综合自动化系统由()组成。
A. 数据识别层(DAU层)
B. 微机保护与测控层(PC层)
C. 变电站主机层(SC层)
D. 中央计算机层(CC层)
[多项选择]综合自动化供电系统实时运行参数有()
A. 计算量
B. 状态量
C. 脉冲量
D. 模拟量