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UPDATED HVAC JOURNEYMAN PREP TEST EXAM WITH VERIFIED ANSWERS
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32

January 2026

2025/2026

A+
Smoke detectors shall be located downstream of an air filter and ahead of any branch connectors in a return stream with flow greater than: (A)4,000CFM (B)2,000CFM (C)5,000CFM (D)3,000CFM - answer-2,000CFM (IMC 606.2.1) What material is used only on a fan that comes in contact with flammable or explosive vapor? (A)Ferris steel with painted body (B)Cast steel (C)Non-ferris steel coating with non-sparking metal (D)Forged steel - answer-Non-ferris steel coated with non-sparking ma...
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