Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

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

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

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

（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.

The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）

（） is not installed on the main switchboar.

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

For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）

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