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

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

（） is not installed on the main switchboar.

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

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

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

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

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）

Using a file without a handle may result in （）

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