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The separate supplies are connected in either star or delta

题目
单选题
The separate supplies are connected in either star or delta formationThe star formation is most commonly used and requires（） slip-rings on the alternator.
A

two

B

three

C

four

D

five

参考答案和解析
正确答案： B
解析： 暂无解析
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相似问题和答案

第1题：

Current measuring instruments must always be connected in ______.

A.series with a circuit

B.parallel with a circuit

C.series-parallel with a circuit

D.delta with the shunt


正确答案：A

第2题：

A chart projection depicting the poles and a small area on either side of a connecting meridian, that is sometimes used for star charts, is the ______.

A.azimuthal gnomonic projection

B.Lambert conformal projection

C.transverse Mercator projection

D.polyconic projection


正确答案：C
海图投影描述极地和链接子午线的任意一边的小区域，有时用作星图是墨卡托投影。

第3题：

You create two shared printers on a Windows 2000 Server computer in Ezonexam.com Ezonexam. One printer is shared as Admin, and the other printer is shared as Executive. Both printers are connected to the same print device. You set the priority of the Admin printer to 90 and the priority of the Executive printer to 50.

You want all users at the Ezonexam network to be able to send print jobs to either printer. However, you do not want the Executive printer to appear in the browse list when employees other than executives and administrative assistants create a new printer connection on their client computers.

What should you do?

A．Change the priority of the Executive printer to 99. Change the priority of the Admin printer to 10.

B．Change the share name of the Executive printer to Executive$. Manually reconfigure client computers that are already connected to the Executive printer.

C．Deny the Everyone group permission to access the Executive printer. Allow access to the users who are allowed to include the printer in their browse lists.

D．Install separate device drivers for the Executive printer. Configure NTFS permissions on the device driver files to allow access only to the System account and to users who are allowed to include the printer in their browse lists.


正确答案：B
解析：Explanation: If a shared resource has a share name with a trailing $, such as Executive$, every one can use the shared resource but it will not be visible when browsing the network.

Incorrect Answers
A: Priority cannot be used to hide a printer.

C: Permission cannot be used to a hide printer.

D: Special device drivers cannot be used to a networked resource. Furthermore, applying special NTFS permissions on the device driver files would not achieve anything.

第4题：

Star Diagnosis诊断仪中软件是指？（）

  • A、任何CD或DVD
  • B、在Star Diagnosis中的程序
  • C、SDconnect
  • D、Star Diagnosis的连接电缆
  • E、XENTRY connect

正确答案:B

第5题：

According to the fourth paragraph, which of the following is NOT true?

A. No nuclear explosion would be triggered inside the star.
B. The star would be destroyed completely.
C. Much of the star's matter thrown by the explosion would be beyond the black hole's reach.
D. The black hole would completely devour the star.

答案：D
解析：

第6题：

A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of ______．

A.A vessel towing by pushing ahead

B.A power-driven vessel，not towing

C.A barge being pushed ahead

D.Either answer A or answer B


正确答案：B

第7题：

A ( ) application is made up of distinct components running in separate runtime environments, usually on different platforms connected through a network.

A.database
B.analog
C.high-level
D.distributeD

答案：D
解析：
分布式应用由运行在不同环境(通常运行在同一网络中的不同平台上)的各个部件组成。

第8题：

Users are unable to stay connected to the company‘s wireless network. Several times throughoutthe day the users‘ signals are dropped and they are forced to reconnect to the network.A technician determines the network cabling that supplies the WAP has been run inside with severalpower lines.Which of the following is the MOST likely cause of the network issue?（）

A.Ashort

B.Open pairs

C.ESD

D.EMI


参考答案：D

第9题：

Star Diagnosis诊断仪可以通过哪些方式升级？（）

  • A、通过升级光盘为Star Diagnosis诊断仪升级
  • B、通过USB存储并传输为Star Diagnosis诊断仪升级补丁（Addon）
  • C、通过网络下载为Star Diagnosis诊断仪升级补丁（Addon）
  • D、通过蓝牙传输为Star Diagnosis诊断仪升级补丁（Addon）
  • E、以上升级方式均不正确

正确答案:A,B,C

第10题：

The government（）schools.

  • A、supply free books with
  • B、supplies free books to
  • C、supplies freebooks with
  • D、supply free books to

正确答案:C

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