For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）

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（）

If separating effect is not good, which measure should be taken （）

Using a file without a handle may result in （）

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

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

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.

To proceed to the assistance of a ship in distress is（）

The shipboard oil pollution emergency plan will be invalid after （）

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