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

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

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（）

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

Using a file without a handle may result in （）

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

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

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

The ISPS Code consists of a mandatory section-Part A, which shows（）

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