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

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

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

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

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

（） is not installed on the main switchboar.

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

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

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