Engine parameters shall be corresponded to NOx Technical Files. This is required by （）

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

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 （）

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

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）

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

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