单项选择题
A fire in a ballast pumproom can be brought under control with minimal impact on stability by（）.
A.cooling the outside bulkheads with water B.shutting all sources of air into the compartment C.closing the sea chest D.flooding the compartment with salt water
单项选择题 A fifteen-pound CO2 extinguisher（）.
单项选择题 Records of tests and inspections of a cargo vessel’s fire extinguishing systems shall be（）on board until the vessel’s Certificate of Inspection expires.
单项选择题 Accumulations of oily rags should be（）.
