A ground in an electrical circuit outside the engine room ()

题目
单选题
A ground in an electrical circuit outside the engine room ().
A

cannot be detected tinder normal conditions

B

is of no consequence to engineering personnel

C

is indicated at the branch circuit breaker panel

D

is indicated by the ground detecting lamps on the main switchboard

参考答案和解析
正确答案: A
解析: 暂无解析
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相似问题和答案

第1题:

What must be paid attention when watchkeeping in the engine room?


正确答案:Fuel oil, lubricant oil must be invariable considered. Dispose of oily water. If abnormal sound or symptom is detected, report to Chief Engineer immediately. Obey instructions from Captain, Chief Engineer, Officer on the bridge.

第2题:

Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?

A.Start ventilation,lower the ramp,notify engine room

B.Lower the ramp,start ventilation,notify engine room

C.Notify engine room,lower the ramp,start ventilation

D.Start ventilation,notify engine room,lower the ramp


正确答案:C

第3题:

When stand-by before sailing, the duty engineer and officer should check clock, engine telegraph and rudder, and then write it in the0

A.engine room logbook

B.vovage logbook

c engine room logbook or voyage loglook

D.engine room logbook and voyage logbook


答案:D

第4题:

机舱人员应启动机舱里的消防泵。()

  • A、Engine room persons should stop their pumps in machinery space.
  • B、Engine room persons should start their pumps in machinery space.
  • C、Engine room persons should start their pumps in officer’s cabin.
  • D、Engine room persons should start their pumps on boat deck.

正确答案:B

第5题:

The ()is next to the chart room.

  • A、engine room
  • B、cook room
  • C、saloon
  • D、pilot room

正确答案:D

第6题:

Electrical circuits are protected against overheating by means of a/an _______.

A.circuit breaker

B.amplifier

C.diode (二极管)

D.capacitor


正确答案:A

第7题:

Before using a fixed CO2 system to fight an engine room fire, you must ______.

A.secure the engine room ventilation

B.secure the machinery in the engine room

C.evacuate all engine room personnel

D.All of the above


正确答案:D
在使用固定CO2系统扑灭机舱的火灾以前,你必须关闭机舱通风,关闭机舱机器,撤离机舱所有人员。

第8题:

How to pump out bilge water in the engine room?


正确答案:Pump bilge water into sludge tank. Then pump bilge water into oily water separator. Enquire master or deck officers on duty to pump out at appropriate water. The proportion should not beyond 15 PPM.机舱排污水程序可表述为把污水排到污水集中柜内,再通过油水分离器在允许排放区域按含油量小于15 PPM排放。

第9题:

The sailors ()are making preparations for unmooring.

  • A、on the bridge
  • B、at the stern
  • C、in the cabin
  • D、in the engine room

正确答案:B

第10题:

Where are the life-jackets for the duty personnel?()

  • A、They are in the chief officer’s cabin.
  • B、They are in the store room.
  • C、They are in the control room.
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正确答案:C

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