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

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

To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）

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

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

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

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

Which of the following items don’t belong to dock repair works?（）

Using a file without a handle may result in （）