单项选择题
The heat generated by a fire will be transferred through a bulkhead or dock, as a result of （）.
A.conduction B.radiation C.convection D.advection
单项选择题 As its temperature rises, the volume of fuel oil in the tanks will （）.
单项选择题 Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?（）
单项选择题 In the fire main system, quick cleaning strainers are located at the（）.
