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
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
相关考题：
质量衰减系数的国际单位是A.kg?m－2B.m2?kg－1C.m?kg－1D.m2?kg－2SX 质量衰减系数的国际单位是A.kg?m-2B.m2?kg-1C.m?kg-1D.m2?kg-2E.kg2?m-2
A term applied to the bottom shell plating in a double-bottom ship is ______．A.bottom floorB.outer bottomC.shear platingD.tank top
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
水泥涂料用于淡水舱和双层底舱。（）A、Primer is used for sea water tanks and double bottom tanks.B、Cement wash is used for fresh water tanks and double bottom tanks.C、Varnish is used for fresh water tanks and double bottom tanks.D、Bitumen is used for fresh water tanks and double bottom tanks.
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.Aa service tankBa settling tankCan expansion tankDa double bottom tank
单选题To improve your vessel’s stabilty in a hazardous situation, you should（）.Aballast deep tanks if they are slackBtransfer ballast athwarshipsCpump out double bottomsDfill double bottom from deep tanks
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?（）.AJettison any off-center topside weights to lower GM and correct the listBPump out any slack after double-bottom tanks to reduce free surface and increase freeboard aftCPump out the after peak and fill the forepeak to change the trimDPress up any slack double-bottom tanks forward of the tipping center，then fill the forepeak if empty
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（）.Apress up a slack double bottom tank on the port sideBfill an empty centerline double bottom tankCpump out a slack marine portable tank located on the portside amidshipsDjettison the anchors and anchor cables
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?（）.APress up any slack double-bottom tanks to eliminate free surfaceBFlood any empty double-bottom tanks to add weight low and downCJettison topside weights to reduce KG and KBDShift any off-center weights from port to starboard
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（）.Amove port-side main-deck cargo to the starboard sideBfill the starboard double-bottomCpump water from the port double-bottom to the starboard double-bottomDpump water from the port double-bottom over the side
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?（）APress up the slack NO.1 starboard double bottom tankBPump out the forepeak tankCEliminate the water in the 'tween decks aft
单选题What is meant by the term two-blocked（）.AThe bottom block touches the top blockBThe line has jumped the sheavesCThere are turns in the fallDYou have two blocks
单选题A term applied to the bottom shell plating in a double-bottom ship is（）.Abottom floorBouter bottomCshear platingDtank top
单选题In a typical fuel system, the oil is stored in （） in the double bottom.Asetting tanksBservice tanksCtanksDdrain tanks
单选题Deballasting a double bottom has what affect on KG（）.AKG is increasedBKG is decreasedCKgis not affectedDKG increases at light drafts and decrease at deep drafts