The cetane rating of diesel fuel is an indication of the （）

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

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

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

The ISPS Code consists of a mandatory section-Part A, which shows（）

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.

If separating effect is not good, which measure should be taken （）

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（）

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