单项选择题
A.With switches B.With a governor on the engine C.With fuses or circuit breakers D.By using heavy wire
Deadweight，which is the cargo carrying capacity of a ve...
单项选择题Deadweight，which is the cargo carrying capacity of a vessel in tons，is determined by（）.
A.Loaded displacement minus light displacement B.Gross tonnage minus net tonnage C.Loaded displacement minus net tonnage D.Light displacement minus the weight of the vessel
A well in the uppermost deck of a shelter deck vessel w...
单项选择题A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a（n）（）.
A.Exemption space B.Tonnage deck C.Cofferdam D.Tonnage opening
A tackle by which the outer end of a boom is raised and...
单项选择题A tackle by which the outer end of a boom is raised and lowered is the topping（）.
A.Boom B.Lift C.Raise D.Tackle
