Question 1
In a hydronic heating system, what is the primary medium used to transport heat from the boiler to the terminal units?
Correct Answer:
Water or a water/glycol mixture
Question 2
Approximately how many Btu are required to raise the temperature of one pound of water by 1 degree Fahrenheit?
Correct Answer:
1 Btu
Question 3
A hydronic loop carries 8 GPM with a 20 degF temperature drop. Approximately how much heat is being delivered?
Correct Answer:
80,000 Btu/hr
Question 4
What does a higher delta-T (temperature differential) across a hydronic loop indicate for a given heat load?
Correct Answer:
A lower required flow rate
Question 5
What is the typical design supply water temperature for a standard residential fin-tube baseboard hydronic system?
Correct Answer:
180 degF (with about 20 degF drop)
Question 1
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About this Exam

Prepare with the NATE Hydronics Gas Service Practice Questions - NATE Hydronics Gas Service Specialty Exam practice quiz. This question bank includes 100 questions covering boiler, hydronic, heat, water, and circulator. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NATE Hydronics Gas Service Practice Questions - NATE Hydronics Gas Service Specialty Exam

This practice set contains 100 questions from the matching question bank and focuses on boiler, hydronic, heat, water, and circulator. 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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