單項選擇題According to Annex I of MARPOL 73/78, oily waste from cargo tanks of oil tankers can be discharged when the ship is more than（）away from the nearest land.

A.50 nautical miles
B.30 nautical miles
C.15 nautical miles
D.12 nautical miles


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1.單項選擇題The MARPOL Convention is the main international convention（）

A.about marine pollution prevention
B.covering marine protection of life
C.about marine
D.about ship and port security

2.單項選擇題At an unsheltered anchorage the chief engineer officer shall consult with the master whetheror not to maintain an underway watch“An underway watch” means（）

A.a watch which is kept with lower standard
B.a watch which is kept when the ship isnt sailing
C.a watch which is kept when the ship is sailing
D.a watch which is kept when the ship is in a restricted visibility area

3.單項選擇題When the engine room is put in standby condition, the engineer in charge of the watch need not to（）

A.ensure all machinery which may be used during maneuvering is in ready
B.ensure an adequate reserve of power is available for steering gear and other requirements
C.keep the main propulsion unit controls continuously attended when in the manual mode of operation
D.ensure all machinery which may be used during maneuvering is running stably

4.單項選擇題The responsibilities of the engineer officer in charge of the watch do not include （）

A.to ensure the main propulsion plant are kept under constant surveillance
B.to ensure the auxiliary systems are kept under constant surveillance
C.to inspect the steering gear spaces at suitable intervals
D.to inspect and overhaul the equipments in his charge

5.單項選擇題When the chief engineer is in the machinery spaces, the officer in charge of the engineering watch shall（）

A.continue to be responsible for machinery space operations despite the presence of the CE
B.hand over the responsibility actively
C.be responsible for the watching together with the chief engineer
D.assistant the chief engineer to control the machinery