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

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

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）

The shipboard oil pollution emergency plan will be invalid after （）

Cold weather starting of a diesel engine may be made easier by（）

As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）

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

Using a file without a handle may result in （）

Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

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