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

The condensers located in various stages of a flash evaporator are cooled by（）

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 two A.C.generators are to be operated in parallel, the load is distributed evenly by（）

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

To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）

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

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

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.