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Which of the following chemicals will be used where protecti

题目
单选题
Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?（）
A

Sodium hydroxide

B

Sodium carbonate

C

Sodium nitrate

D

Sodium polyphosphate

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相似问题和答案

第1题：

Which of the following is true of an index used to support a UNIQUE constraint?()

A.It must have the UNIQUE attribute.

B.It cannot be created explicitly by the user.

C.It must have the UNIQUE and CLUSTER attributes.

D.It must have the UNIQUE WHERE NOT NULL attribute.


参考答案：A

第2题：

In which of the following scenarios would MAC filtering be MOST effective as a part of wireless security？ （）

  • A、A public place where guests are free to access the wireless network.
  • B、A small office where a defined number of specific wireless devices are used.
  • C、A meeting room where various company users will access the wireless network during meetings. 
  • D、An office where some users are unable to use WPA encryption due to older wireless cards so they use MAC filtering.

正确答案:B

第3题：

Which of the following terms refers to the situation where the work is being used for the purpose intended and so certified:

A beneficial completion

B substantial completion

C project completion

D contract closeout

E final completion


正确答案：B

第4题：

Which of the following utilities are used to choose which programs run at startup？ （）

  • A、SFC
  • B、SETDEBUG
  • C、MSCONFIG
  • D、REGEDIT

正确答案:C

第5题：

which one of the following best where layer can be used?（）

  • A、form 
  • B、page 
  • C、subform 
  • D、all of the above

正确答案:B

第6题：

The following tells us how to reuse the used water.Which is the right order of the passage

A.to have the used water filtered
B.to put chemicals in it
C.to pipe it to the users
D.to pipe the used water to be purified to a factory

答案：A
解析：

第7题：

Which of the following dbx commands should be used to obtain a stack trace from a coredump file?（）

  • A、trace 
  • B、where 
  • C、status 
  • D、which

正确答案:B

第8题：

176 Which of the following terms refers to the situation where the work is being used for the purpose intended and so certified:

A. beneficial completion

B. substantial completion

C. project completion

D. contract closeout

E. final completion


正确答案：B

第9题：

Which of the following network cable types is MOST often used in environments where physicalsecurity of the data is the top priority?（）

  • A、UTP
  • B、Coaxial
  • C、Fiber optic
  • D、STP

正确答案:C

第10题：

Which of the following protocols is used by thin clients?（）

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正确答案:C

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