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

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 of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.

Which of the following items don’t belong to dock repair works?（）

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

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

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

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（）