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Exam (elaborations)
MA VA II J2 Restricted Journeyperson 
Sheet Metal Exam Questions With 
Correct Solutions, Already Passed!!
1. What is the primary purpose of a supply-air duct system? 
A. Remove combustion gases 
B. Deliver conditioned air to occupied spaces 
C. Store refrigerant 
D. Drain condensate 
 Correct Answer: B. Deliver conditioned air to occupied spaces 
Explanation: Supply ducts transport conditioned air from an air-handling or heating/cooling unit 
to rooms or zones. Proper duct sizing and installation are necessary to deliver the required 
airflow while controlling pressure loss, noise, and leak...