控制区（Controlled area）

相似题目

• 英译中：Temperature controlled space

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• Progressive flooding on a ship is controlled by securing watertight boundaries and（）.

  A . transferring drill water B . dumping bulk materials C . pumping out flooded compartments D . evacuating the unit

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• 英译中：Humidity controlled space

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• The voltage output of an AC generator is controlled by（）

  A . varying the DC exciter voltage B . varying the reluctance of the air gap C . regulating the speed of the prime mover D . shorting out part of the armature winding

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• 被控量（controlled variable）

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• The voltage developed by an AC generator is controlled by varying the （）

  A . speed of the prime mover B . AC excitation to the field C . DC excitation to the field D . DC excitation of the voltage regulator

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• The timing of diesel engine air starting valves is controlled by（）

  A . the air start valve timing gears and rods B . a cylinder check valve C . individual cams and valve gear D . an air manifold poppet valve

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• ACE是Area Control Error即区域控制误差的简称，其计算公式为（）。其中△PT为联络线功率交换误差，△f为频率偏差，β为偏差系数。

  A . ACE=β△PT+△f B . ACE=β（△PT+△F. C . ACE=β△PT/△f D . ACE=△PT+β△f

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• Floating, not controlled, without a clearly determinable direction means（）.

  A . grounding B . sailing C . adrift D . running into danger

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• （）is not a feature of the electronic controlled engines.

  A . Lower fuel consumption B . Better balanced cylinder power C . A shorter overhaul period D . Less smoke emissio

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• Which file is NOT controlled by the alog command?（）

  A .  conslog  B .  nimlog  C .  bosinstlog  D .  errlog

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• Diesel engine air start valve timing is controlled by（）

  A . engine operating speed B . an air manifold C . a hydraulic distributor D . individual cams and valve gear

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• 从性遗传（sex-controlled   inheritance）

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• The frequency output of an operating alternator is controlled by the （）.

  A . relative speed of the rotor poles B . number of turns of wire in the armature coil C . strength of the magnets used D . output voltage

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• All of the following services are controlled by inetd EXCEPT：（）。

  A . nfsd B . ftpd C . telnetd D . pop3d

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• The King controlled the feudal system completely.

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• 过程控制网Scnet II的1个控制区域总容量（）点。（v2.6.5软件版本) one control area total capacity points are （) for process control network Scnet II.（v.2.6.5 soft version)

  A．64512 B．15200 C．15360 D．1024

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• The remote-controlled airplanes that Rezwan use is______.

  A．1.1 meters long B．10 meters long C．1/10 the size of a real airplane D．1/10 the size of the Pentagon

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• 空调系统中area温度控制器的功用是：（）

  A．控制area温度 B．控制流量控制valve C．控制PACKs

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• controlled activities mainly focus on meaning and communication. （)

  是 否

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• area温度控制器如何进行基本的温度调节（）

  A．通过使用最低的area温度需求 B．通过使用三个area的温度要求 C．通过使用最高的area温度要求

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• By what is the course of the ship controlled（)？

  A. the bridge B. the steering gear C. the rudder D. a signal from the bridge

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• The project management plan defines how the project is executed , monitored and controlled , and closed . It is progressively elaborated by updates, and controlled and approved through the perform int

  A．Costcontrol B． Schedulecontrol C． Changecontrol D． Riskcontrol

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• 【简答题】翻译下面的专业文字 Controlled system There are complex relationships between the manipulated variable and the controlled variable. These relationships result from the physical interdependence of the two variables. The part of the control that describes the physical processes is called the controlled system.

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