heated gases flowing through ventilation systems
the transfer of heat across an unobstructed space
burning liquids flowing into another space
transmitting the heat of a fire through the ship's metal
第1题：
A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______．
A.Fire hose might be damaged by cargo operations
B.Vessel is in port
C.Fire-main system is not charged
D.Fire pumps are used for purposes other than supplying water to the fire main
第2题：
During a fire drill on a vessel, what action is required? ______.
A.Start each fire pump.
B.Launch and run a lifeboat.
C.Inventory rescue and fire equipment.
D.Inspect fire hoses
第3题：
A type of precipitation that occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level is known as ______.
A.sleet
B.hail
C.freezing rain
D.rime
第4题：
Chief, the （）(灭火队)is ready.
第5题：
消防泵（）
第6题：
Convection spreads a fire by ______.
A.heated gases flowing through ventilation systems
B.the transfer of heat across an unobstructed space
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship’s metal
第7题：
Where do you post your （）(火势控制图)?
第8题：
Which type of precipitation is a product of the violent convection found in thunderstorms ________．
A.Snow
B.Freezing Rain
C.Hail
D.Sleet
第9题：
I’m having （）around the ship.
第10题：
不是防火墙英文的正确解释？（）