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

（） is not installed on the main switchboar.

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（）

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

The treatment of the fuel oils involves storage, heating, filtering and（）

Using a file without a handle may result in （）

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

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

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

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