Prior to starting, the purpose of turning over a main propul

题目
单选题
Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to ()
A

test the starting system

B

remove condensation from the cylinders

C

check the compression

D

check for proper lube oil pressure

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相似问题和答案

第1题:

Ensuring that data is transmitted securely over an IP network is the main purpose of:()

  • A、Telnet
  • B、FTP
  • C、SIP
  • D、TLS

正确答案:D

第2题:

While you are turning the windlass over slowly , ()all the moving parts.

  • A、oil
  • B、grease
  • C、oiled
  • D、greased

正确答案:A

第3题:

Vessels having main engines arranged for air starting are to be provided with at least__.

A.one automatic drain serving both containers

B.two air starting containers of approximately equal size

C.one control air container and one starting air container

D.one additional means of starting the main engine


正确答案:B

第4题:

单选题
The main purpose of an electric space heater installed in a large AC generator is to ()
A

prevent the windings from becoming brittle

B

prevent moisture from condensing in the windings during shutdown

C

prevent acidic pitting of the slip rings

D

keep the lube oil warm for quick starting


正确答案: A
解析: 暂无解析

第5题:

单选题
The opening or closing of the cylinder starting valve is controlled by ().
A

the starting air distributor

B

the cut-off valve on the air main

C

the main starting valve

D

the air bottle control valve


正确答案: D
解析: 暂无解析

第6题:

NO TURNING OVER()

  • A、切勿倾倒
  • B、切勿坠落
  • C、切勿挤压
  • D、切勿倒置

正确答案:D

第7题:

单选题
Vessels having main engines arranged for air starting are to be provided with at least ()
A

one automatic drain serving both containers

B

two air starting containers of approximately equal size

C

one control air container and one starting air container

D

one additional means of starting the main engine


正确答案: A
解析: 暂无解析

第8题:



What is the main purpose of Mr. Tony Higginson’s e—mail to Ms, Emilie Green?
A. To send a business agreement
B. To go over the sales market
C. To plan a business trip to Asia
D. To send a distribution plan


答案:A
解析:
邮件的第一段中先提到“非常有益的会议(a very productive meeting)”,然后提议“进行商此合 作”。所以,Tony Higginson这封邮件的目的是提议生意上的携手,并寄送具体的商业合作协议。

第9题:

单选题
The main purpose of starting the diesel engine on air briefly is()
A

to inspect if the cylinder has the water leakage

B

to expel out the residual water/gas/oil from the cylinder

C

to check if fuel supply is normal

D

A and B


正确答案: D
解析: 暂无解析

第10题:

单选题
The main purpose of warming the parts of the main engine is ()
A

to reduce heat stress

B

to reduce low temperature corrosion

C

to improve firing and starting performance

D

fuel saving


正确答案: C
解析: 暂无解析

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