Bioenvironmental Engineering (BEE) Block 4 Practice Test

Vent issue: Clogged flitter refers to what problem?

Clogged duct work: something stuck in the duct work Leaking ductwork Clogged flitter: air filter not replaced in a long time Improper use of dampers: dampers could be open or closed incorrectly

Correct Answer:

Clogged flitter: air filter not replaced in a long time

Explanation:

When you hear "clogged flitter," think of the air filter itself being blocked by dust and debris because it hasn’t been replaced in a long time. The filter sits in the path of incoming air, so as it gets dirty it restricts airflow. That means less air can move through the system, causing the blower to work harder, reducing efficiency, and potentially lowering indoor air quality. Other issues like something stuck in the ducts, leaks in the ductwork, or dampers that are not set correctly involve different parts of the ventilation path and aren’t about a dirty filter. The key idea here is that the problem described is the clogged air filter from neglecting replacement. Regularly changing or cleaning the filter keeps airflow steady and the system operating efficiently.

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