Ignite Success: Ace the 2025 MCC-NH Gas Fitters Exam!

Question: 1 / 400

Which of the following is NOT a prohibited location for gas piping?

Chimneys

Dumbwaiters

Utility rooms

Utility rooms are areas within a building designed for the support of essential services such as heating, cooling, laundry, or utility maintenance. These rooms typically allow for the installation of gas piping, provided safety standards are met. Gas piping can generally be installed in utility rooms as long as there are no additional risks associated with other installed equipment or specific local codes that govern safety.

In contrast, chimneys, dumbwaiters, and air ducts present significant risks and are therefore prohibited for gas piping installation. Chimneys can create backpressure, causing gas to leak into living spaces. Dumbwaiters often involve mechanisms that could be compromised by gas leaks, and air ducts may circulate gas fumes throughout a building, posing serious health risks. Understanding these distinctions is vital for maintaining safety and compliance in gas fitting practices.

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Air ducts

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