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

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

（） is not installed on the main switchboar.

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

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

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

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

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

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

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