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Journeyman IMC Code Practice Test 10

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HVAC Journeyman IMC Practice Test 10

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Question 1 of 8

1. Question
1 points
Class B Refrigerants shall have toxicity at concentrations below ______ , based on data used to determine TLV-TWA or consistent indices:
- 400 ppm
- 100 ppm
- 200 ppm
- 1000 ppm
Correct

Please Refer: IMC Code – Definitions

Incorrect

Please Refer: IMC Code – Definitions
Question 2 of 8

2. Question
1 points
The termination point of all environmental air exhaust outlets and ducts discharging to the outdoors shall be located _____ from property lines:
- 3 feet
- 6 feet
- 10 feet
- 15 feet
Correct

Please Refer: IMC Code 501.3.1

Incorrect

Please Refer: IMC Code 501.3.1
Question 3 of 8

3. Question
1 points
Commercial kitchen Exhaust outlets that terminate above the roof shall have the discharge opening located not less than _____ above the roof surface:
- 40 inches
- 25 inches
- 50 inches
- 60 inches
Correct

Please Refer: IMC Code 506.3.13.1

Incorrect

Please Refer: IMC Code 506.3.13.1
Question 4 of 8

4. Question
1 points
Gasket and sealing materials for duct to exhaust fan connections shall be rated for continuous duty at a temperature of not less than ______ :
- 1500^oF
- 2500^oF
- 1000^oF
- 2000^oF
Correct

Please Refer: IMC Code 506.3.2.3

Incorrect

Please Refer: IMC Code 506.3.2.3
Question 5 of 8

5. Question
1 points
Ducts that operate at temperatures exceeding ______ shall have sufficient thermal insulation to limit the exposed surface temperature
- 120°F
- 150°F
- 200°F
- 250°F
Correct

Please Refer: IMC Code 604.2

Incorrect

Please Refer: IMC Code 604.2
Question 6 of 8

6. Question
1 points
The foam plastic insulation shall be covered by corrosion-resistant steel having a base metal thickness of not less than _____ :
- 0.4 mm
- 4 mm
- 40 mm
- 0.04 mm
Correct

Please Refer: IMC Code 602.2.1.5.3

Incorrect

Please Refer: IMC Code 602.2.1.5.3
Question 7 of 8

7. Question
1 points
Gas appliances listed and labeled for venting with _____ vents:
- Type B
- Type A
- Type C
- Type L
Correct

Please Refer: IMC Code Table 802.2

Incorrect

Please Refer: IMC Code Table 802.2
Question 8 of 8

8. Question
1 points
Chimney and vent connectors shall have a minimum clearance of _______ to electric and oil incinerators:
- 18
- 9
- 36
- 24
Correct

Please Refer: IMC Code Table 803.10.6

Incorrect

Please Refer: IMC Code Table 803.10.6

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