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

The cetane rating of diesel fuel is an indication of the （）

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

Flame failure in an automatically fired auxiliary boiler can from a/an （）

Using a file without a handle may result in （）

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

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

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

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

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