海船船员考试

单选题Which of the following pumps is most suitable for an oily water separator?（）A reciprocating pumpB vane pumpC mono pumpD axial-flow pump

题目
单选题
Which of the following pumps is most suitable for an oily water separator?（）
A

reciprocating pump

B

vane pump

C

mono pump

D

axial-flow pump

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相似问题和答案

第1题：

While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）

  • A、 r is greater than 40
  • B、 id is greater than 50
  • C、 sum of id and wa equals 50
  • D、 sum of us and sy equals 100

正确答案:D

第2题：

单选题
Which of the equipment listed is most effective in processing bilge slops for overboard discharge?（）
A

100PPM oily water separator

B

Assembling the lube oil purifier as a separator and aligning bilge overboard

C

A 15PPM oily water separator

D

A magnetic duplex strainer


正确答案： D
解析： 暂无解析

第3题：

which of the following activities is the most suitable for group work?()

A. Guessing game

B. Information-gap.

C. Story telling

D. Drama performance.


正确答案是:D

第4题：

单选题
For which of the following campus LAN Areas is the Cisco Catalyst 500 Series switch most suitable?（）
A

Access Area

B

Backbone Area

C

Core Area

D

Distribution Area


正确答案： D
解析： 暂无解析

第5题：

单选题
Which of the following statements represents the advantage of rotary pumps as compared to reciprocating pumps?（）
A

The high discharge pressure of the rotary pumps permits a larger volume of fluid per unit time than the reciprocating pump

B

Rotary pumps are capable of pumping more fluid than reciprocating pumps of the same weight

C

Rotary pumps occupy only one-half the space of reciprocating pumps

D

Rotary pumps eliminate discharge slippage of the pumped liquid, while this does not hold true for a reciprocating pump


正确答案： B
解析： 暂无解析

第6题：

单选题
Which of the following pumps will most affect oily water separator performance and give the worst result?（）
A

reciprocating pump

B

vane pump

C

screw pump

D

centrifugal pump


正确答案： B
解析： 暂无解析

第7题：

单选题
While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）
A

 r is greater than 40

B

 id is greater than 50

C

 sum of id and wa equals 50

D

 sum of us and sy equals 100


正确答案： A
解析： 暂无解析

第8题：

Which of the following storage protocols would be suitable for transport across an IP network？（）

  • A、 SAS
  • B、 SCSI
  • C、 iSCSI
  • D、 SATA

正确答案:C

第9题：

单选题
Which of the following is most suitable for the cultivation of linguistic competence? _____
A

Sentence making

B

Cue card dialogue

C

Simulated dialogue

D

Learning syntax


正确答案： C
解析：
“造句”考察学生语法、词汇等多方面的能力，是最适合培养语言能力的手段。

第10题：

单选题
During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? （）
A

The quantity of oil residues generated

B

The capacity of sludge and bilge water holding tank

C

The capacity of the oily water separator

D

All of the above


正确答案： B
解析： 暂无解析

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