Cold weather starting of a diesel engine may be made easier by（）

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

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

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

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.

Flame failure in an automatically fired auxiliary boiler can from a/an （）

When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

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

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

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