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Deballasting a double bottom has what affect on KG? ______.
A.KG is increased
B.KG is decreased
C.KG is not affected
D.KG increases at light drafts and decreases at deep drafts
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更多 “ Deballasting a double bottom has what affect on KG? ______.A.KG is increasedB.KG is decreasedC.KG is not affectedD.KG increases at light drafts and decreases at deep drafts ” 相关考题
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if the anchor has been heaved out of the ground and clear of the bottom, what do you report?
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A term applied to the bottom shell plating in a double-bottom ship is ______．A.bottom floorB.outer bottomC.shear platingD.tank top
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The hull is divided up into a number of watertight compartments by ______．A.inner bottom plating and longitudinalsB.decks and bulkheadsC.double bottom girdersD.topside and hopper tank sloping plating and longitudinals
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单选题In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.A
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单选题To improve your vessel’s stabilty in a hazardous situation, you should（）.A
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transfer ballast athwarshipsC
pump out double bottomsD
fill double bottom from deep tanks
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单选题Your vessel is damaged，listing to port and on occasion flopping to the same angle to starboard. It has a long，slow，sluggish roll around the angle of list. There is excessive trim by the stern with little freeboard aft. What action should you take?（）.A
Jettison any off-center topside weights to lower GM and correct the listB
Pump out any slack after double-bottom tanks to reduce free surface and increase freeboard aftC
Pump out the after peak and fill the forepeak to change the trimD
Press up any slack double-bottom tanks forward of the tipping center，then fill the forepeak if empty
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单选题Your vessel is damaged and listing to port. There is a short rolling period around the angle of list. The portside freeboard is reduced to 1 foot. There is no trim and the weather is calm. You should FIRST（）.A
press up a slack double bottom tank on the port sideB
fill an empty centerline double bottom tankC
pump out a slack marine portable tank located on the portside amidshipsD
jettison the anchors and anchor cables
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单选题Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken FIRST in regard to the vessel’s stability?（）.A
Press up any slack double-bottom tanks to eliminate free surfaceB
Flood any empty double-bottom tanks to add weight low and downC
Jettison topside weights to reduce KG and KBD
Shift any off-center weights from port to starboard
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单选题If your vessel has a list to port due to negative GM and off-center weight，the first corrective measure you should take is to（）.A
move port-side main-deck cargo to the starboard sideB
fill the starboard double-bottomC
pump water from the port double-bottom to the starboard double-bottomD
pump water from the port double-bottom over the side
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单选题Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）A
Press up the slack NO.1 starboard double bottom tankB
Pump out the forepeak tankC
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单选题What is meant by the term two-blocked（）.A
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The line has jumped the sheavesC
There are turns in the fallD
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单选题A term applied to the bottom shell plating in a double-bottom ship is（）.A
bottom floorB
outer bottomC
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单选题In a typical fuel system, the oil is stored in （） in the double bottom.A
setting tanksB
service tanksC
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单选题Deballasting a double bottom has what affect on KG（）.A
KG is increasedB
KG is decreasedC
Kgis not affectedD
KG increases at light drafts and decrease at deep drafts
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