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（）

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

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

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）

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

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

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

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

Using a file without a handle may result in （）