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

Cold weather starting of a diesel engine may be made easier by（）

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

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

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

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

Using a file without a handle may result in （）

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

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

The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.