单项选择题
A.non-toxic gas B.Oxygen C.Hydrogen D.Helium
Each liferaft，which does not have an indicated maximum ...
单项选择题Each liferaft，which does not have an indicated maximum stowage height indicated on the liferaft，must be（）.
A.limited to carry no more than 10 persons B.stowed not more than 59 feet above the lightest waterline C.stowed in quick release racks D.inspected every six months
Each lifebuoy shall be marked in block capitals of the ...
单项选择题Each lifebuoy shall be marked in block capitals of the Roman alphabet with（）of the ship.
A.the call sign and name B.the official number and name C.the port of registry and name D.the port of registry and official number
As a vessel sinks to a depth of 15 feet，the hydrostatic...
单项选择题As a vessel sinks to a depth of 15 feet，the hydrostatic trip releases the liferaft container from its cradle by（）.
A.breaking the weak link B.releasing the tie-down strap C.pulling the operating cord D.releasing the CO2 canister
