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

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（）

To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）

To proceed to the assistance of a ship in distress is（）

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

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（）

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

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）