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

Under MARPOL Code the ship to which it applies has to carry （）

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）

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

（） is not installed on the main switchboar.

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

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

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

（）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（）