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

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

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

Using a file without a handle may result in （）

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.

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

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

If separating effect is not good, which measure should be taken （）

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

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