G2 Gas Fitter Practice Exam

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Prepare for the G2 Gas Fitter Test. Study using flashcards and multiple choice questions, with hints and detailed explanations for each question. Ensure your success!

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Natural gas is approximately what percentage of methane?

75-80%
85-90%
90-95%
100%

The correct answer is: 85-90%

Natural gas is primarily composed of methane, which is the simplest hydrocarbon with the chemical formula CH4. The typical composition of natural gas can vary based on its source and processing; however, the widely accepted range for the percentage of methane found in natural gas is approximately 85-90%. This range effectively captures the predominant presence of methane in natural gas, acknowledging that other components such as ethane, propane, butane, and impurities can also be present but in much smaller quantities. Understanding that natural gas is mainly methane is crucial for various applications, including combustion efficiency, heating, and safety measures. The significant amount of methane found in natural gas contributes to its energy content and impact on combustion properties. It is important for gas fitters and those working in related fields to recognize this typical range, as it influences the performance and handling of natural gas in various systems.