Which item is not a component of fuel gas systems?

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Multiple Choice

Which item is not a component of fuel gas systems?

Explanation:
Fuel gas systems rely on components that control and convey gas safely: regulators reduce high supply pressure to a safe appliance pressure, valves provide isolation and control of flow, and piping forms the network carrying gas to all appliances. A trap, on the other hand, is a device used in drainage and venting to hold water and seal against sewer gases. It serves no function in pressurized fuel gas piping and would disrupt flow if installed there. Therefore, traps are not a component of fuel gas systems.

Fuel gas systems rely on components that control and convey gas safely: regulators reduce high supply pressure to a safe appliance pressure, valves provide isolation and control of flow, and piping forms the network carrying gas to all appliances. A trap, on the other hand, is a device used in drainage and venting to hold water and seal against sewer gases. It serves no function in pressurized fuel gas piping and would disrupt flow if installed there. Therefore, traps are not a component of fuel gas systems.

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