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（）

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

The treatment of the fuel oils involves storage, heating, filtering and（）

The cetane rating of diesel fuel is an indication of the （）

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

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

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

（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.

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

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