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HVAC Gas Heat Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A
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HVAC Gas Heat Exam (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: Why is specific gravity of a gas important? Answer: It affects the gas flow through the piping and through the orifice of the furnace. Q: What is an orifice and a spud? Answer:...
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