HVAC Journeyman Practice Exam

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What is the minimum distance a gas utilization equipment should have a manual shutoff valve or listed gas convenience outlet installed?

3 feet
18 inches
6 feet
4 feet

The correct answer is: 6 feet

The correct answer indicates that the minimum distance a manual shutoff valve or a listed gas convenience outlet should be installed from gas utilization equipment is 6 feet. This requirement is primarily grounded in safety considerations. A distance of 6 feet helps ensure that any potential gas leak from the equipment is managed adequately. By placing the shutoff valve at this distance, it minimizes the risk of coming into contact with any gas that might escape during a malfunction or maintenance procedure. Additionally, this distance allows for easier access to the shutoff valve in emergency situations, facilitating quicker action to isolate the gas supply and mitigate any hazards. This distance is established by codes and standards to create a safe operational environment, balancing accessibility for maintenance or emergencies with the necessary precautions regarding gas safety.