Gas Chart Properties

Question 1

Chemical formula for water?

Answer 1

H20

Question 2

Chemical formula for natural gas (methane)?

Answer 2

CH4

Question 3

Chemical formula for propane?

Answer 3

C3H8

Question 4

What are the physical properties of methane and propane?

Answer 4

odorless, colorless, tasteless

Question 5

Density Lb/Imp gal. (liquid) is water?

Answer 5

10 lb/imp gal.

Question 6

Density Lb/Imp gal. (liquid) is methane (natural gas)?

Answer 6

4.24 lb/imp gal.

Question 7

Density Lb/Imp gal. (liquid) is propane?

Answer 7

5.1 lb/imp gal.

Question 8

Density LG (liquid gas) / m3 is water?

Answer 8

1.29kg/m3 air

Question 9

Density LG (liquid gas) / m3 is methane (natural gas)?

Answer 9

0.774 kg/m3 air

Question 10

Density LG (liquid gas) / m3 is propane?

Answer 10

1.935 kg/m3 air

Question 11

Specific gravity of water?

Answer 11

1

Question 12

Specific gravity of methane (natural gas)?

Answer 12

0.424

Question 13

Specific gravity of propane?

Answer 13

0.51

Question 14

Specific gravity vapor of water?

Answer 14

1

Question 15

Specific gravity vapor of methane (natural gas)?

Answer 15

0.6

Question 16

Specific gravity vapor of propane?

Answer 16

1.5

Question 17

Vapor expansion-cuft vapor / cuft liquid of methane (natural gas)?

Answer 17

600 (600:1)

Question 18

Vapor expansion-cuft vapor / cuft liquid of propane?

Answer 18

270 (270:1)

Question 19

Vapor expansion lbs liquid/cuft of propane?

Answer 19

8.5 (8.5:1)

Question 20

Boiling point of water?

Answer 20

212F / 100C

Question 21

Boiling point of methane (natural gas)?

Answer 21

-260F / -162C

Question 22

Boiling point of Propane?

Answer 22

-44F / -42C

Question 23

Calorific value of methane (natural gas)?

Answer 23

1000 Btu/cuft

Question 24

Calorific value of propane?

Answer 24

2500 Btu/cuft

Question 25

Calorific value Btu/imp gal liquid of methane (natural gas)?

Answer 25

96,000 Btu/imp gal

Question 26

Calorific value Btu/imp gal liquid of propane?

Answer 26

109,560 Btu/imp gal

Question 27

Calorific value KJ/L of methane (natural gas)?

Answer 27

22,350 KJ/L

Question 28

Calorific value KJ/L of propane?

Answer 28

25,510 KJ/L

Question 29

Calorific value KJ/m3 of methane (natural gas)?

Answer 29

37,240 KJ/m3

Question 30

Calorific value KJ/m3 of propane?

Answer 30

93,650 KJ/m3

Question 31

Sensible Heat of water is ?

Answer 31

1Btu / lb *F 4.2 KJ / Kg*C

Question 32

Sensible Heat of ice?

Answer 32

0.5 Btu / lb *F 2 KJ / Kg *C

Question 33

Latent Heat of steam

Answer 33

0.5 Btu / lb *F 2 KJ / Kg *C

Question 34

Latent Heat of fusion of water?

Answer 34

144 Btu / lb*F 335 KJ / Kg *C

Question 35

Latent Heat of vaporization of water?

Answer 35

970 BtU / lb*F 2257 KJ / Kg *C

Question 36

Flammability range (LEL:UEL) of methane (natural gas)?

Answer 36

5-15 %

Question 37

Flammability range (LEL:UEL) of propane?

Answer 37

2.3 - 9.5 %

Question 38

Ignition temperature of methane (natural gas)?

Answer 38

1300*F 700*C

Question 39

Ignition temperature of propane?

Answer 39

920*F 495*C

Question 40

Flame temperature of methane (natural gas)?

Answer 40

3350*F 1843*C

Question 41

Flame temperature of propane?

Answer 41

3500*F 1927*C

Question 42

Theoretical air required (air : fuel) of methane (natural gas)?

Answer 42

10:1

Question 43

Theoretical air required (air : fuel) of propane?

Answer 43

25:1

Question 44

Complete combustion of methane (natural gas) CH4 ?

Answer 44

CO2 + 2 H2O + 8 N2 + heat or light

Question 45

Complete combustion of propane C3H8 ?

Answer 45

3 CO2 + 4 H2O + 2 ON2 + heat or light

Question 46

The flame speed of methane (natural gas)?

Answer 46

26 inches/second 660 millimeters/second

Question 47

The flame speed of propane?

Answer 47

32 inches/second 813 millimeters/second