（） is not installed on the main switchboar.

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

Using a file without a handle may result in （）

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（）

Flame failure in an automatically fired auxiliary boiler can from a/an （）

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

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

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

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

Engine parameters shall be corresponded to NOx Technical Files. This is required by （）