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

Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

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

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

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）

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

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

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

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

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