A.camber B.sheer C.rake D.rise of bottom
单项选择题The upward slope of a ships bottom from the keel to the bilge is known as().
A.camber B.slope C.deadrise D.keel height
单项选择题The Tonnage Certificate gives()of a vessel which is classified into gross tonnage and net tonnage.
A.the descriptions B.the measurements C.the specifications D.the prescriptions
单项选择题The term PINTLE AND GUDGEON are associated with the().
A.anchor windlass B.jumbo boom C.rudder D.steering engine
单项选择题The sprocket wheel in a windlass,used for heaving in the anchor,is called a().
A.capstan B.dog wheel C.fairlead D.wildcat
单项选择题The sprocket teeth on a wildcat are known as the().
A.pawls B.devil's claws C.whelps D.pockets