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.

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

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

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）

When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

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

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

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

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 flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）