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

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

If separating effect is not good, which measure should be taken （）

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

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

Diesel engine air start system check valves are opened by （）

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

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

（） is not installed on the main switchboar.

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