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.

The Port State Control officer may witness a fire drill...

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

The Convention is the first to establish basic requirem...

单项选择题The Convention is the first to establish basic requirements on training certification and watch-keeping for seafarers on an international level（）.

It is during （） that work energy is being put into the ...

单项选择题It is during （） that work energy is being put into the engine; during the other 3 strokes of the piston, the engine is having to do the work.