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

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 additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

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

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

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

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

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

Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）

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