A.Your speed will significantly increase
B.Your draft will significantly decrease
C.Your bow will sheer towards the other vessel
D.Your bow will sheer away from the other vessel
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A.is usually below the center of gravity and has little effecton stability
B.will cause water on deck to pocket and increase stability
C.may decrease stability by increasing free surface effect due to water on deck
D.increases the effective freeboard and increases thewind-heel affect
A.displacement
B.free surface
C.draft
D.KG
A.increases displacement
B.increases the height of the center of gravity
C.increases draft
D.reduces the pocketing of free surface
A.changes in seawater salinity
B.glare on clouds on the horizon
C.changes in air temperature
D.icebergs
A.can usually be detected by radar in a smooth sea at a range of 4 to 6 kilometers
B.are indistinguishable from sea return on the PPI
C.are invisible to radar when covered with a thick layer of snow
D.are usually seen at night before they are close enough to provide a radar echo
最新試題
When pushing ahead,wires leading from the quarters of the after outboard barges to the bow of a towboat().
Before entering an ice area,the ship should be().
When operating in an area where sea ice and icebergs are present,which statement is TRUE? ()
For operations in pack ice,a vessel should().
Topside icing decreases vessel stability because it is usually off-center and().
A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? ()
Ice blink is().
All persons or vessels within the lock area,including the lock approach channels,come under the authority of the().
A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by().
If a tow sinks in shallow water,you should().