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.

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

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

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?（）

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

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

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

（） is not installed on the main switchboar.

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