Gas Heat ESCO Practice Exam 2025 - Free Gas Heat ESCO Practice Questions and Study Guide

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What type of connectors are specified to control noise and fan vibrations in metal ductwork for residential installations?

Flex connectors

Flex connectors are the most appropriate type of connectors to control noise and fan vibrations in metal ductwork for residential installations. Dampers and collars are typically used to control air flow, not noise and vibration. S connectors and drive clips are not as effective at reducing noise and vibrations, and slip joints and cleats provide minimal noise control and can potentially lead to air leaks.

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S connectors and drive clips

Dampers and collars

Slip joints and cleats

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