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G3 Quiz 4

G3 Quiz 4

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Question 1 of 10

1. Question
1. The lower and upper flammable limits of propane are
- A) 2.0 % – 11.0%
- B) 2.4 % – 9.5%
- C) 4.0 % – 14.0%
- D) 5.5% – 14.5%
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Question 2 of 10

2. Question
1. The heat content of 1 cubic foot of propane is approximately
- A) 1,000 BTU
- B) 2,500 BTU
- C) 10,000 BTU
- D) 25,000 BTU
Correct

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Question 3 of 10

3. Question
1. Propane and natural gas are comprised mainly of which of the following elements
- A) carbon and nitrogen
- B) carbon and hydrogen
- C) carbon and oxygen
- D) carbon and sulfur
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Question 4 of 10

4. Question
1. The flame temperature of propane is approximately
- A) 1500F (816C)
- B) 1500C (2732F)
- C) 3650F (2010C)
- D)3650C (6602F)
Correct

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Question 5 of 10

5. Question
1. The ignition temperature of propane is
- A) 920F – 1020F (493F-549C)
- B) 920C – 1030C (1688F-1868F)
- C) 1210F – 1260F (654C-682C)
- D) 1210C – 1260C (2210F-2300F)
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Question 6 of 10

6. Question
1. The relative density propane is
- A) equal to the relative density of air
- B) 2 times the relative density of air
- C) 1 1/2 times the relative density of air
- D) the relative density of air
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Question 7 of 10

7. Question
1. The boiling point of propane at atmospheric pressure is
- A) -44F (-42.2C)
- B) -10F (-23.3C)
- C) 0F (-17.7C)
- D) 32F (0C)
Correct

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Question 8 of 10

8. Question
1. When propane changes from a liquid to a vapour, it expands and its volume increases by:
- A) 5 times
- B) 17 times
- C) 185 times
- D) 270
Correct

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Question 9 of 10

9. Question
1. One imperial gallon of propane weighs
- A) 5.1 pounds
- B) 8.5 pounds
- C) 10 pounds
- D) 25 pounds
Correct

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Question 10 of 10

10. Question
1. When one pound of propane burns, it releases approximately
- A) 2,500 BTU
- B) 11,700 BTU
- C) 21,600 BTU
- D) 60,000 BTU
Correct

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