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

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

（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

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

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

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.

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

The treatment of the fuel oils involves storage, heating, filtering and（）

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

Using a file without a handle may result in （）