单项选择题
The rate of expansion of heated fuel oil varies with the （）.
A.conductivity B.viscosity C.volume D.specific gravity
单项选择题 The heat generated by a fire will be transferred through a bulkhead or dock, as a result of （）.
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?（）
