Nate Core Practice Test 2025 - Free Practice Questions and Study Guide

Question: 1 / 400

What is the function of a damper in HVAC duct systems?

To filter contaminants from the air supply

To regulate airflow and control room temperatures by opening or closing ducts

The function of a damper in HVAC duct systems is to regulate airflow and control room temperatures by opening or closing ducts. Dampers serve as adjustable valves that can modulate the amount of air flowing through various parts of the HVAC system. By controlling airflow, dampers can help balance the system, ensuring that each room receives the appropriate amount of heated or cooled air. This regulation not only enhances comfort but also improves energy efficiency by preventing overconditioning of certain areas while others may be under-conditioned.

This control mechanism is essential for maintaining consistent temperatures throughout a building, allowing for a tailored approach to heating and cooling demands based on occupancy or specific room requirements.

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To increase the pressure in the duct system

To circulate air throughout the entire system

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