Properties Of Gas

Question 1

What is the chemical formula for natural gas?

Answer 1

CH4

Question 2

What is the chemical formula for propane?

Answer 2

C3H8

Question 3

What is the chemical formula for butane?

Answer 3

C4H10

Question 4

What is the standard gravity for natural gas in vapour state?

Answer 4

0.6

Question 5

What is the standard gravity for propane in vapour state?

Answer 5

1.5

Question 6

What is the standard gravity of butane and vapour state?

Answer 6

2

Question 7

What is the standard gravity of natural gas in liquid state?

Answer 7

N/A

Question 8

What is the standard gravity of propane in liquid state?

Answer 8

0.5

Question 9

What is the standard gravity of butane in liquid state?

Answer 9

0.58

Question 10

What is the expansion ratio of natural gas?

Answer 10

600:1

Question 11

What is the expansion ratio of natural gas?

Answer 11

600:1

Question 12

What is the expansion ratio of propane?

Answer 12

270:1

Question 13

What is the expansion ratio of butane?

Answer 13

235:1

Question 14

What is the calorific value in BTUs of natural gas?

Answer 14

1000

Question 15

What is the calorific value of propane in BTUs?

Answer 15

2500

Question 16

What is the calorific value of butane in BTUs?

Answer 16

3200

Question 17

What is the calorific value of butane in BTUs?

Answer 17

3200

Question 18

What are the flammable limits of natural gas?

Answer 18

4-14%

Question 19

What are the flammable limits of propane?

Answer 19

2.5-9.5%

Question 20

What are the flammable limits of butane?

Answer 20

2-8.5%

Question 21

What is the ignition temperature of natural gas?

Answer 21

1200 F

Question 22

What is the ignition temperature of butane?

Answer 22

1000 F

Question 23

What is the max flame temperature of natural gas?

Answer 23

3500 F

Question 24

What is the max flame temperature of propane?

Answer 24

3600

Question 25

What is the maximum temperature of butane?

Answer 25

3600 F

Question 26

What is the flame speed of natural gas?

Answer 26

1 ft/s

Question 27

What is the flame speed of propane?

Answer 27

1.5 ft/s

Question 28

What is the flame speed of butane?

Answer 28

1.5 ft/sec

Question 29

How much does one imperial gallon of water weigh?

Answer 29

10 lbs

Question 30

How much does one US gallon of water weigh?

Answer 30

8.33 lbs

Question 31

How much does one cubic foot of water weigh?

Answer 31

62.4lbd

Question 32

How much psi is 1” of HG?

Answer 32

0.491 psi