单项选择题
Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.
A.progressive downflooding
B.reducing the level of drill water from the storage tanks
C.causing a list due to the water in the compartment
D.reducing the KG to minimum allowable
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Each OSV must carry（）.
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D.All of the above -
单项选择题
Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.
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Each hose used for transferring vapors must（）.
A.have a design burst pressure of at least 25 psig
B.be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting
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D.All of the above
