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HVAC JOURNEYMAN COMPREHENSIVE EXAM PREP 250 QUESTIONS AND CORRECT ANSWERS COMPLETE REVIEW SHEET

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HVAC JOURNEYMAN COMPREHENSIVE EXAM PREP 250 QUESTIONS AND CORRECT ANSWERS COMPLETE REVIEW SHEET

Institution
HVAC JOURNEYMAN
Course
HVAC JOURNEYMAN

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HVAC JOURNEYMAN COMPREHENSIVE
EXAM PREP 250 QUESTIONS AND
CORRECT ANSWERS COMPLETE REVIEW
SHEET

⩥ What does the insulation on a pipe prevent?
Answer: Condensation due to its due point.


⩥ When installing an appliance what distance from the side wall should
it be?
Answer: 3-5 ft


⩥ Can you run piping through the ductwork?
Answer: NO


⩥ On a boiler with an interrupted transformer what would your max
voltage be?
Answer: 150 Volts


⩥ If you have a room with no air flow what will happen?
Answer: Stratification

, ⩥ How do you read voltage?
Answer: Wattmeter


⩥ How many BTU are in a 3 TON of cooling?
Answer: 36,000 BTU


⩥ What should the air flow be in a private garage that has space for 2
cars?
Answer: 200-300 CFM


⩥ What distance to the floor must a forced air heater be in a private
garage?
Answer: 8ft from the floor


⩥ The minimum size tubing used as a supply line for fuel oil systems
shall be (OD)
Answer: 3/8


⩥ The minimum size pipe used in a return line of a fuel oil piping
system shall be in inches
Answer: 1/4

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HVAC JOURNEYMAN
Course
HVAC JOURNEYMAN

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