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3886
Why should special precautions be taken when filling the propane bottles?
| | A) Propane is transferred from the storage tanks to the propane bottles under high pressure. |
| | B) During transfer, propane reaches a high temperature and can cause severe burns. |
| * | C) Propane vapor is super-cold and may cause severe freeze burns. |
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Anonymous says: |
17 Sep 2008 |
The explanation should read: The wording of the question is misleading. As currently stated with the word 'category' being singular, the answer would be [B] because the listed classes are all in one category. If the question were stated "... which are categories of aircraft?" the correct answer would be [A] because these are all separate categories of aircraft.
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