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

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

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

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

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

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

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

If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）

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

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