Which is the most refined and most expensive grade of oil for heating use?
A. No. 2, B. No. 5 heavy, C. No. 4, D. No. 5 light, E. No. 6
Answer is No. 2 fuel oil (lower sulphur content). Lower number = more refined, more expensive.
are-review.blogspot.com
Resource tip: read about heating oil changes in NYC
A. No. 2, B. No. 5 heavy, C. No. 4, D. No. 5 light, E. No. 6
Answer is No. 2 fuel oil (lower sulphur content). Lower number = more refined, more expensive.
are-review.blogspot.com
Resource tip: read about heating oil changes in NYC
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