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Which of the listed methods of heat transfer takes place whe

题目
单选题
Which of the listed methods of heat transfer takes place when two substances of different temperatures are in physical contact with each other?（）
A

Radiation

B

Conduction

C

Convection

D

Each of the above

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相似问题和答案

第1题：

Feedback refers to any information which provides a report on the result of communication which takes place not only between the listener and the speaker.（）

A对

B错


对
略

第2题：

Feedback refers to any information which provides a report on the result of communication which takes place not only between the listener and the speaker.（）


正确答案:正确

第3题：

Which of the following modes of heat transfer does NOT require any physical contact between a warmer and a cooler substance?

A.Radiation

B.Conduction

C.Natural convection

D.contact directly


正确答案：A

第4题：

单选题
Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?（）
A

Leaking seal ring

B

Insufficient heat transfer from the exhaust valves

C

Block cooling water passages to the head

D

Excessive scavenging air provided to the engine


正确答案： C
解析： 暂无解析

第5题：

单选题
“The use of a poor quality oil can lead to rapid deterioration of its properties with the resultant formation of deposits in the piston crown which in turn results in a considerable reduction in heat transfer with subsequent overheating and thermal cracking” According to this sentence, we can know that the principle reason of the overheating and thermal cracking is（）
A

the use of a poor quality oil

B

the deterioration of its properties

C

the formation of deposits

D

the reduction in heat transfer ability


正确答案： B
解析： 暂无解析

第6题：

For specific reason, the Owner may transfer the classification member of the vessel to another classification member which is covered by the IACS ‘Transfer of Class Agreement’. Which of the requirements listed below is disobey the IACS “Transfer of Class Agreement?（）

  • A、For all ships between 5 to 10 years of age a representative number of ballast spaces are to be examined.
  • B、For all ships between 10 to 20 years of age a representative number of cargo spaces are to be examined.
  • C、For all ships 15 years of age and over all overdue surveys and conditions of class completed by the gaining class society before the transfer of class can take place. 
  • D、For all ships which are 20 years of age and above or ships subject to ESP which are 15 years of age and above, a full Special Survey or Intermediate Survey, including docking, will be carried out.

正确答案:C

第7题：

单选题
The spreading of fire as a result of heat being carried through a vessels ventilation system, is an example of heat transfer by （）.
A

conduction

B

convection

C

radiation

D

windage


正确答案： D
解析： 暂无解析

第8题：

You are asked to configure the configuration archival feature on your Junos devices.Which two transfer methods are available?()

A. TFTP

B. FTP

C. SCP

D. SFTP


参考答案：B, C

第9题：

单选题
Which of the processes listed consumes the greatest amount of power while producing the greatest amount of heat?（）
A

Overcoming sliding friction

B

Overcoming rolling friction

C

Overcoming fluid friction

D

Overcoming oil wedge friction


正确答案： B
解析： 暂无解析

第10题：

单选题
In which of the scavenging methods listed will the exhaust valve be located in the cylinder head?（）
A

Return-flow

B

Uniflow

C

Cross-flow

D

Direct flow


正确答案： D
解析： 暂无解析

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