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

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

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

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

（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.

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

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

Using a file without a handle may result in （）

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

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