A.EvaporationB.DispersionC.EmulsificationD.Drifting（）is……

单项选择题（）is not a process of weathering of the oil spilled in the sea water.

A.Emulsification
B.Sedimentation / Sinking
C.Oxidation including photooxidation
D.Burning organized by RCC

单项选择题（）is not a process of weathering of the oil spilled in the sea water.

A.Biodegradation
B.Dissolution
C.Cleaning up by crew with skimmers
D.Oxidation including photooxidation

单项选择题The supplement to the IOPP Certificate contains what type of data? （）

A.The grades of cargo that an oil tanker is permitted to carry
B.A checklist of the equipment installed for controlling the discharge of oil
C.The trade routes upon which the vessel may operate
D.A list of the underwriters who will assume financial responsibility in the event of an oil spill

单项选择题A 30，000 DWT tanker is required to have an IOPP certificate when（）

A.engaged in the coastwise trade
B.going foreign
C.calling at ports in another country signatory to MARPOL 73/78
D.carrying cargoes listed in the MARPOL regulations

单项选择题Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.

A.the Customs
B.the Register Bureau of Shipping
C.the Shipyard Fire Department
D.a certified gas chemist