Question 1
Using the air-side sensible-heat formula Q = 1.08 x CFM x delta-T, how much sensible heat is added by a furnace delivering 1,200 CFM with a 50 degF temperature rise?
Correct Answer:
64,800 BTU/hr
Question 2
In a duct, the total pressure is best described by which relationship?
Correct Answer:
Total pressure = static pressure + velocity pressure
Question 3
What does external static pressure (ESP) represent for a residential air handler?
Correct Answer:
The total static pressure the blower must overcome in the duct system outside the equipment cabinet
Question 4
According to the fan laws, if a blower's speed is increased from 800 RPM to 1,000 RPM, the airflow (CFM) will:
Correct Answer:
Increase by the ratio 1,000/800, about 25 percent
Question 5
Which instrument is most commonly used to measure static pressure in a residential duct system?
Correct Answer:
Magnehelic or digital manometer
Question 1
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About this Exam

Prepare with the HVAC Air Distribution Practice Questions - HVAC Excellence Professional - Air Distribution (Written Examination) Exam practice quiz. This question bank includes 100 questions covering duct, pressure, static, blower, and airflow. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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HVAC Air Distribution Practice Questions - HVAC Excellence Professional - Air Distribution (Written Examination) Exam

This practice set contains 100 questions from the matching question bank and focuses on duct, pressure, static, blower, and airflow. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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