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

Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）

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

To proceed to the assistance of a ship in distress is（）

Flame failure in an automatically fired auxiliary boiler can from a/an （）

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

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

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

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

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