单选

_____ 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
参考答案
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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

_____ 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

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

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

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

____ 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

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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