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

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

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

As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）

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

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

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.

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

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

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