The condensers located in various stages of a flash evaporator are cooled by（）

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

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

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

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

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

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

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（）

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