A.center of gravity is lowered
B.center of buoyancy is lowered
C.reserve buoyancy is unchanged
D.hull freeboard is increased
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A.The agent is considered nontoxic at room temperature in low concentrations
B.The agent is less effective than carbon dioxide
C.Halon primarily extinguishes the fire by cooling
D.The agent cannot be used on electrical fires because it leaves a residue
A.Certificate of Inspection
B.Station Bill
C.Ships Articles
D.Fire Control Plan
A.keeping the fuel tanks topped off
B.increasing the free surface effect
C.keeping the fuel tanks at least half MI
D.keeping at least one fuel tank empty for slops
A.leave the access door partially open
B.enter from the lowest level
C.enter from the highest level
D.attempt to operate machinery
A.unburned carbon particles
B.excess nitrogen
C.a lack of oxygen
D.excess hydrogen
最新試題
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The main purpose of port State control is not to（）
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（）
Using a file without a handle may result in （）
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.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.