HVAC Questions and Answers (Q&A)

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The correct answer to this question is A, 6 feet. A person who works in HVAC and deals with housing codes would know the answer to this question. This is in correspondence with IRC G2408.3 (305.5). With all rules, there are exceptions. The exception to this rule is when vehicle impact is...Read More

6 Answers

The correct answer to this question is D, 18 5/8". Knowing the correct length to cut is essential. Many pipe cutting formulas can help determine the exact extent needed to cut. If the question had more information, it could help identify the specific formula needed to know the length to...Read More

5 Answers

The correct answer to this question is B. In HVAC (heating, ventilation, and air conditioning) there are two shapes of vertical ductwork: round and rectangular. For sheet metal ductwork, specified distances between hangers are given. With round vertical ductwork, the distance between hangers...Read More

3 Answers

There are two correct answers to this question which are, A. Allows space for clean bends in metal and B. Indicates where a bend should occur when laying out and marking. This tool would be used by a person who is doing a home improvement job. Professionals and everyday homeowners use hand...Read More

2 Answers

IMC page 24 , section 304.7

PRIVATE GARAGE is a min of 6 Feet

PUBLIC GARAGE is a min of 8 Feet

Its Wrong and Williams is wrong

2 Answers

IMC Page 50. Table 504.8.4.1

It has 8" smooth Raduis 90 degree eblow is 1 foot 7 inches

has nothing on 5' nor mitered 8" elbows

2 Answers

Are these questions actual ones from the n31 test? I take the test tomorrow and need to know.

2 Answers

The answer to this question is 3/4" , not 1"

Table 307.2.2 - up 20 tons - 3/4"

over 20 tons to 40 tons - 1"

2 Answers

Could you explain further? Why is it less and not more?

2 Answers

There are two correct answers to this question, which are A device that depends on head pressure to allow the flow of condensed water and A device that depends on head pressure, water on or off to allow water tho cool condenser. A person who works in home improvement would be likely to know the...Read More

2 Answers

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