单项选择题
A.A fire B.B fire C.C fire D.D fire
Your vessel is taking on bunkers from a shore side faci...
单项选择题Your vessel is taking on bunkers from a shore side facility, if oil begins flowing from one tank vent, which of the following actions should be taken FIRST?（）
A.Open the intake valve to an adjacent tank B.Set out drip pans and sawdust and begin to mop up the spill C.Signal the shore control point to shutdown D.Close the valve on the tank vent line
For which of the listed classes of fire combinations wo...
单项选择题For which of the listed classes of fire combinations would carbon dioxide be most suitable as the extinguishing agent （）.
A.Class "A" and class "B" B.Class "B" and class "C" C.Class "A" and class " C" D.Class "C", class "D", and class "E"
Most lifeboats are equipped with （）.A.unbalanced rudder...
单项选择题Most lifeboats are equipped with （）.
A.unbalanced rudders B.balanced rudders C.contraguide rudders D.straight rudders
