ANSWERS TO HVAC LICENSING PRACTICE                      B ACK TO TEST

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  1. c Table 305.4 IMC
  2. b nascla business
  3. c section 406 (5 x test pressure)
  4. c section N1103.3.6 energy code

            1500 sq. ft. / 100 = 15

            15 x 4 =60 cfm

            NOTE: the 2009 and

  1. a section 909 IMC
  2. d section 402.7 IFGC
  3. c 506.3 IMC
  4. d section 506 Grease duct enclosure
  5. c 503.10.9._ gas code
  6. c 404 Limitations. IFGC
  7. d Table 404 IMC
  8. d Section 506 IMC
  9. c still air surface = .68

            gypsum = .45

            air space = .91

            gypsum = .45

            still air surface = .68

            Total R = 3.17

            U = 1/3.17 = .315

            wall is 240 square feet (30 x  8)

            BTUH = area x U x td

            240 x .315 x 20 = 1512 (close enough)

  1. b THE LARGEST A BORED HOLE MAY BE IN A 2′ x 9.5″ joist

            .33 x 9.5 =3.13

  1. a When mechanically ventilating a 1500 square foot conference room in an office building, how many CFM of outdoor air are required?
  2. c $75,000/.15 = $500,000
  3. c section 506 IMC
  4. a 404.9.1 gas code
  5. d section 306 IMC
  6. a 304.5.1 GAS CODE 
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