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

The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

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

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

Under MARPOL Code the ship to which it applies has to carry （）

Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

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

One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）

Using a file without a handle may result in （）