Before an oil burner is removed from a boiler furnace, the burner should be blown out with:

Before an oil burner is removed from a boiler furnace, the burner should be blown out with:

Before an oil burner is removed from a boiler furnace, the burner should be blown out with:



a. Solvent
b. Coal oil
c. High temperature solvent
d. Nitrogen or carbon dioxide
e. Steam or air




Answer: E


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