Under MARPOL Code the ship to which it applies has to carry （）

The shipboard oil pollution emergency plan will be invalid after （）

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）

To proceed to the assistance of a ship in distress is（）

The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）

Engine parameters shall be corresponded to NOx Technical Files. This is required by （）

Diesel engine air start system check valves are opened by （）

（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.