单项选择题
In any case the draught of the vessel at the（）shall not be less than that which is necessary to obtain full immersion of the propeller.
A.forward perpendicular
B.amidships
C.longitudinal center of floatation
D.after perpendicular
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相关考题
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单项选择题
In a transversely framed ship，the transverse frames are supported by all of the following EXCEPT（）.
A.girders
B.longitudinals
C.side stringers
D.web plates -
单项选择题
In a longitudinally-framed ship，the longitudinal frames are held in place and supported by athwartship members called（）.
A.floors
B.margin plates
C.stringers
D.web frames -
单项选择题
I hereby（）you，on behalf of the Loocki Grain Co.，Lisbon，to pay to the Harbor Master of the Santa Marta，Columbia，the sum of 500，000 Peso which represents a fine levied on the above-named vessel for polluting the coastal waters with oily water.
A.permit
B.entitle
C.authorize
D.give the right to
