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Gas Furnace Heating Exam Questions Answers 3
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Question 1 of 14
1. Question
1 pointsSoldered or sweated connections are also not recommended in ________:
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Question 2 of 14
2. Question
1 pointsThe percentage of carbon dioxide in the flue gases for natural gas should be about ______:
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Question 3 of 14
3. Question
1 pointsLPG has a heating capacity of approximately _______ Btu per cubic foot:
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Question 4 of 14
4. Question
1 pointsInstall the pilot valve on the ______ side of the main manual gas shutoff valve
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Question 5 of 14
5. Question
1 pointsWhich of the following are required proper combustion:
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Question 6 of 14
6. Question
1 pointsWhich of the following gas is lighter than air:
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Question 7 of 14
7. Question
1 pointsMost atmospheric injection burners operate efficiently on _______ of the theoretical value
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Question 8 of 14
8. Question
1 pointsThe _______ air is drawn into the burner by natural draft
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Question 9 of 14
9. Question
1 pointsAll electrical connection to heating appliances shall comply with:
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Question 10 of 14
10. Question
1 pointsDuring complete combustion which of the following is produced:
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Question 11 of 14
11. Question
1 pointsLine Burners can produce over _____ BTU/Hr per foot of length:Correct
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Question 12 of 14
12. Question
1 pointsWhich of the following gas is not a constituent of Natural gas:
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Question 13 of 14
13. Question
1 pointsWhich of the following gases are primary constituents of Liquid Petroleum Gas (LPG): (Multiple Answer Question)
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Question 14 of 14
14. Question
1 pointsFuel heating value of Natural gas will be in the range of ______ Btu/ft^3
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