轮机部三管轮考试模拟题7(轮机英语)
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Safe welding practice requires .
- A.checking the area for items that may catch fire
- B.that a fire watch be posted
- C.checking for the explosive gases
- D.all of the above
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The lowest temperature at which the vapor formed from a liquid ignites and continues to burn steadily in the presence of an ignition source is called the _____.
- A.flash point
- B.fire point
- C.upper explosive limit
- D.lower explosive limit
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The fuel injection system is very important, so any trouble of it will _____ the operation of the main engine.
- A.be affected
- B.affect
- C.be effected
- D.effect
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_____ is/are the legal survey institution(s) that stated by PRC.
- A.Ship Survey Bureau
- B.CCS
- C.Maritime Safety Administration
- D.all of the above
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The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is____.
- A.dropping lube oil for lubrication, reducing the pollution to the sea
- B.setting a temporary gravity oil tank and enhanced the position properly
- C.lubricating with the used lube oil
- D.lubricating with the fresh water and navigation in a lower speed
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A vessel is required to carry an Oil Record Book Part I to log entries in the book regarding the _____.
- A.discharge of ballast or cleaning water from fuel tanks
- B.sounding levels of all fuel tanks on a daily basis
- C.grade and specific gravity of all fuel oil carded
- D.fuel consumption rates on a weekly basis
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The main purpose of port State control is not to___________.
- A.prevent an unsafe ship proceeding to sea
- B.prevent a ship threatening the marine environment
- C.fine the ships
- D.confirm a safe sailing
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____ shall set security levels and provide guidance for protection from security incidents.
- A.The Contracting Governments
- B.The Port Authorities
- C.The Master
- D.The Company Security
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If a DC motor runs hot, the cause may be _____.
- A.high mica condition
- B.low ambient temperature
- C.clogged ventilation ducts
- D.an open in the shunt field
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It is well known that the whole power distribution of the ship’s electrical services mainly depend on the______.
- A.sub-boards
- B.main switchboards
- C.emergency switchboards
- D.distribution boards
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