What percentage of natural gas is Ethane?

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Prepare for the NFPA 54 National Fuel Gas Code Test. Enhance your knowledge with multiple-choice questions and flashcards, complete with hints and detailed explanations. Get exam-ready now!

Multiple Choice

What percentage of natural gas is Ethane?

Explanation:
Ethane is a minor component of natural gas. Methane dominates, while heavier hydrocarbons like ethane are present only in a few percent by volume. A typical figure used in many gas compositions and safety calculations is about five percent for ethane, making it the most plausible option among the choices. The other percentages are simply too high or too low to reflect natural gas composition, since ethane is not nearly as abundant as methane in standard natural gas.

Ethane is a minor component of natural gas. Methane dominates, while heavier hydrocarbons like ethane are present only in a few percent by volume. A typical figure used in many gas compositions and safety calculations is about five percent for ethane, making it the most plausible option among the choices. The other percentages are simply too high or too low to reflect natural gas composition, since ethane is not nearly as abundant as methane in standard natural gas.

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