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

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

（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

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

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

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

The ISPS Code consists of a mandatory section-Part A, which shows（）

Using a file without a handle may result in （）

A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）

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