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HVAC Questions and Answers (Q&A)

Anthony Paul Bonadio, Teacher
Answered: Jan 29, 2019
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,...Read More

3 Answers

261 views
Wyatt Williams
Answered: Apr 01, 2020
Tilting and rolling them on their bottom edges

1 Answer

252 views
Carice Snow, Motivator
Answered: Jun 20, 2019
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...Read More

5 Answers

236 views
John Smith
Answered: Apr 01, 2020
The liquid line from the condenser outlet to the orifice tube should be cool.

1 Answer

230 views
John Smith
Answered: Apr 01, 2020
Humidity is lower in the freezer air than in the ice cube causing sublimation

Sublimation is the process in which a solid turns to gas and therefore skipping the liquid state. Now that is...Read More

1 Answer

230 views
Wiley
Answered: Feb 05, 2018

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

228 views
John Adney
Answered: Sep 18, 2017

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

2 Answers

227 views
John Smith
Answered: Apr 01, 2020
Secondary voltage will be less

1 Answer

221 views
M. Wright
Answered: Sep 17, 2019
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...Read More

2 Answers

219 views
John Adney
Answered: Dec 03, 2017

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

217 views
Jaekyunkoo
Answered: Mar 16, 2017
Could you specify the section that shows 600 degrees please?

2 Answers

216 views
John Adney
Answered: Oct 20, 2017

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

2 Answers

215 views
Dillonsg
Answered: Apr 01, 2020
Repelents like in deoderents and in insolation., Unusual particles in the air., repelents like in deoderents and in insolation, unusual particles in the air

1 Answer

213 views
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