【名词&注释】
排水量(displacement)
[单选题]对于普通货船,每厘米吃水吨数TPC通常随吃水增大而()。
A. A.增加
B. B.不变
C. C.减少
D. D.A、B均是
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学习资料:
[单选题]在水尺标志中,其数字高度和两数字间距()。
A. A.公制为10cm,英制为3in
B. B.公制为10cm,英制为6in
C. C.公制为5cm,英制为3in
D. D.公制为5cm,英制为6in
[单选题]海水密度的增加()。
A. A.将减小船舶的排水量
B. B.将增加船舶的排水量
C. C.不影响排水量
D. D.对排水量的影响不能确定
[单选题]某轮吃水d=7.00m时水线面面积AW=1200m2,则对应的淡水厘米吃水吨数为()t/cm。
A. A.12.0
B. B.12.3
C. C.13.0
D. D.13.5
[单选题]For a floating vessel,the center of flotation is the point in the waterplane().
A. about which the vessel lists and trims
B. which coincides with the center of buoyancy
C. which,in the absence of external forces,is always vertically aligned with the center of gravity
D. which is shown in the hydrostatic tables as VCB
[单选题]The upward pressure of displaced water is called().
A. buoyancy
B. deadweight
C. draft
D. freeboard
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