Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）

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

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

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

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

Diesel engine air start system check valves are opened by （）

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

A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）

The shipboard oil pollution emergency plan will be invalid after （）