A.Full Ahead
B.Half Ahead
C.Full Astern
D.Half Astern
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A.value of the mean draft
B.degree of list
C.amount of roll
D.difference in fore and aft drafts
A.flammable vapor by volume in air
B.oxygen present to support combustion
C.the temperature of the flash point
D.the lower limit of explosibility of the mixture
A.They should wear safety shoes
B.They should wear ear protection
C.They should not wear jewelry
D.All of the above
A.leaked into navigable waters
B.poured into navigable waters
C.pumped into navigable waters through a fixed piping system
D.all of the above
A.a damaged pneumercator line
B.a puncture, crack, or hole in the skin of the vessel
C.improper record keeping of fuel transfer activities
D.contamination of the contaminated steam supply system
最新試題
Flame failure in an automatically fired auxiliary boiler can from a/an （）
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.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The condensers located in various stages of a flash evaporator are cooled by（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the following items don’t belong to dock repair works?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
To proceed to the assistance of a ship in distress is（）