Certain requirements must currently be met by a ship’s steering system.There must be ()independent means of steering, although where two identical power units are provided, an auxiliary unit is not required.
A、one
B、two
C、three
D、four
A、one
B、two
C、three
D、four
A、A.Redundancy of functions of certain equipment will partially meet this requirement B、B.On-board maintenance provided by a person holding a GMDSS maintainer's license will partially meet the requirements C、C.Shoreside maintenance and scheduled tests and inspections will partially meet this requirement D、D.All of the above
A、A compulsory vessel must carry at least two licensed GMDSS Radio Operators B、A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails C、A compulsory vessel must be able to transmit and respond to distress alerts D、All of the above
A、A compulsory vessel must carry at least two (2) licensed GMDSS operators B、A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails C、A compulsory vessel must be able to transmit and respond to distress alerts D、All of the above
A、be mechanically operated B、be temperature controlled C、be mechanically ventilated D、not allow to run its refrigeration or heating equipment
A、A. Open Network Connections, and then examine the properties of each connection that is listed. B、B. Open the Component Services snap-in, expand Computers, expand My Computer, and then examine the list. C、C. Run the netsh interface command, and then examine the list. D、D. Open Device Manager, expand Network adapters, and then examine the list.
A、selective and can be suppressed by ships B、mandatory and can not be suppressed by ships in the affected area C、not very important so that ships don‟t require them D、received by all ships wherever they are