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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What is the approximate ignition temperature of natural gas?

800°F (427°C)
1000°F (538°C)
1200°F (649°C)
1400°F (760°C)

The correct answer is: 1200°F (649°C)

Natural gas, primarily composed of methane (CH4), has an ignition temperature that is crucial for various applications in gas fitting. The correct answer indicates that the approximate ignition temperature of natural gas is around 1200°F (649°C). This temperature represents the point at which natural gas can ignite in the presence of an adequate heat source and an oxidizing agent, like air. Understanding the ignition temperature is vital for safety and design considerations within gas systems. If the temperature surrounding natural gas exceeds this threshold, there exists a significant risk of accidental ignition, which is a critical concern for gas fitters when installing appliances or maintaining equipment. Proper knowledge of ignition temperatures allows for effective measures to prevent fires, explosions, and other hazards associated with natural gas use. While the other options present temperatures that could be relevant for different materials or scenarios, the ignition temperature for natural gas itself is widely recognized to be about 1200°F. This makes it essential for professionals in the field to be familiar with this specific temperature to ensure safe handling and use of natural gas in various environments.