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.

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

The treatment of the fuel oils involves storage, heating, filtering and（）

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

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.

The main purpose of port State control is not to（）

（） is not installed on the main switchboar.

The condensers located in various stages of a flash evaporator are cooled by（）

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