单项选择题
What is TRUE of pressure/vacuum valves? （）
A.They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tank
B.They should operate in advance of the pressure/vacuum breakers
C.They should be kept in good working order by regular inspection and cleaning
D.All of the above
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相关考题
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单项选择题
What is required to be posted in the pilothouse of a vessel? （）
A.Certificate of Inspection
B.Officer's licenses
C.Station Bill
D.Vessel's Maneuvering Characteristics -
单项选择题
What is required to be posted in the pilothouse of a vessel?（）
A.Certificate of Inspection
B.Officer's licenses
C.Muster List ("Station Bill")
D.Vessel's Maneuvering Characteristics -
单项选择题
What is NOT required on an uninspected towing vessel? （）
A.Certificate of Documentation
B.Certificate of Inspection
C.Operators Merchant Marine license
D.FCC Station License
