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 safety device is crucial for preventing gas buildup in a home?

Carbon monoxide detector
Smoke detector
Thermostat
Pressure regulator

The correct answer is: Carbon monoxide detector

The appropriate safety device for preventing gas buildup in a home is a carbon monoxide detector. Carbon monoxide is a colorless, odorless gas that can be produced from the incomplete combustion of fossil fuels, including natural gas and propane. A detector serves to alert occupants to dangerous levels of carbon monoxide in the atmosphere, which can occur if gas appliances malfunction or ventilation is inadequate. By issuing alarms when levels rise, these devices help protect residents from potential poisoning, making them essential in homes using natural gas. While other options serve important safety roles, they do not directly address the prevention of gas buildup. For example, smoke detectors are vital for alerting occupants to smoke and fire hazards but do not sense gas. Meanwhile, a thermostat regulates the temperature but does not monitor gas levels. A pressure regulator controls the gas pressure supplied to appliances, which is important for safe operation, but it does not detect or alert occupants to the presence of dangerous gases.