Residential HVAC Installation Practice Exam

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Prepare for the Residential HVAC Installation Exam with this comprehensive quiz. Test your knowledge with multiple-choice questions and get ready to excel in your HVAC installation career.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

How can you differentiate between a forced-air system and a natural-draft system?

By the type of fuel used
Based on the location of the thermostat
By the air flow direction
Whether the air passes naturally over the conditioning equipment

The correct answer is: Whether the air passes naturally over the conditioning equipment

A forced-air system uses a blower or fan to circulate air, while a natural-draft system relies on the natural movement of air. Therefore, the main difference between these two types of systems is whether the air flow is assisted or natural. Options A, B, and C do not provide an accurate distinction between the two types of systems. The type of fuel used may be the same for both systems, the location of the thermostat does not directly affect the type of system, and the air flow direction can vary depending on the specific setup of the system. Hence, the best way to differentiate between these two types of systems is by understanding if the air is being pushed by a fan or moving naturally through the system.