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

If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）

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

Under MARPOL Code the ship to which it applies has to carry （）

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

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（）

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

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

During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.