Gas Fitter Practice Test

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Prepare effectively for the Gas Fitter Exam with our comprehensive study materials. Access multiple-choice questions, detailed explanations, and hints that will help you achieve success in your certification. Get ready to demonstrate your knowledge and skills!

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What is the maximum supply pressure allowed in a single family dwelling downstream of the utility termination?

14 inches W.C.
2 psig
5 psig
20 psig

The correct answer is: 2 psig

The maximum supply pressure allowed in a single family dwelling downstream of the utility termination is 2 psig. This limit is established to ensure safety and proper functioning of gas appliances commonly found in residential settings. Higher pressures could lead to risks such as leaks or failures of appliances that are typically designed to operate within a specific pressure range. Most residential gas systems are not intended to handle high pressures like 5 psig or 20 psig, which could compromise the integrity of the plumbing and appliances. Maintaining the supply pressure at 2 psig allows for efficient operation of gas systems while minimizing the potential hazards associated with excessive pressure. This standard aligns with safety codes and practices in gas fitting, emphasizing the importance of adhering to recommended pressure limits in residential settings.