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G3 Quiz 6

G3 Quiz 6

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Question 1 of 10

1. Question
1. A bunsen flame is caused by
- A) premixing air and fuel prior to combustion
- B) not premixing air and fuel prior to combustion
- C) a low ignition temperature
- D) the presence of carbon monoxide
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Question 2 of 10

2. Question
1. The specific gravity of natural gas is
- A) a greater than that of air
- B) less than that of air
- C) the same as that of propane
- D) greater than that of propane
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Question 3 of 10

3. Question
1. Natural gas and propane are composed mainly of
- A) carbon and nitrogen
- B) carbon and hydrogen
- C) carbon monoxide and nitrogen
- D) carbon dioxide and hydrogen
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Question 4 of 10

4. Question
1. The flame temperature of natural gas is approximately
- A) 2500 F (1371C)
- B) 2500 C (4532F)
- C) 3500 F (1927C)
- D) 3500 C (6332F)
Correct

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Question 5 of 10

5. Question
1. The theoretical boiling point of natural gas at atmospheric pressure is
- A) -259F (-162C)
- B) -44F (-42C)
- C) 0F (-18C)
- D) 32F (0C)
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Question 6 of 10

6. Question
1. The products of complete combustion of natural gas and propane are primarily
- A) hydrogen, water(vapour), and heat
- B) carbon, carbon monoxide, and heat
- C) water(vapour), carbon dioxide, and heat
- D) hydrogen, carbon and heat
Correct

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Question 7 of 10

7. Question
1. The amount of air required to burn 1 cubic foot of natural gas is approximately
- A) 5.0 cu ft (0.14 cu m)
- B) 10 cu ft (0.28 cu m)
- C) 12 cu ft (0.34 cu m)
- D) 25 cu ft (0.71 cu m)
Correct

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Question 8 of 10

8. Question
1. The odorant added to natural gas for detection purposes is
- A) sulphur
- B) mustard
- C) carbon dioxide
- D) mercaptan
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Question 9 of 10

9. Question
1. What is the approximate ignition temperature of natural gas
- A) 800F (427C)
- B) 1,200F (649C)
- C) 2,100F (1,149C)
- D) 3,000F (1,649C)
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Question 10 of 10

10. Question
1. The specific gravity of natural gas
- A) 0.60
- B) 1.00
- C) 1.50
- D) 2.00
Correct

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