Points To Know

Question 1

Specific gravity (relative density) of natural gas (CH4) =

Answer 1

Specific gravity (relative density) of CH4 = 0.6

Question 2

Specific gravity (relative density) of liquid propane (C3H8) =

Answer 2

Specific gravity (relative density) of liquid propane = 0.51

Question 3

Specific gravity (relative density) of propane gas (C3H8) =

Answer 3

Specific gravity (relative density) of propane gas = 1.5

Question 4

Specific gravity (relative density) of Manufactured Gas =

Answer 4

Specific gravity (relative density) of Manufactured Gas = 0.5

Question 5

Specific gravity is also know as?

Answer 5

Relative density

Question 6

Heating value of natural gas

Answer 6

1000 BTU/CF

Question 7

Heating value of propane

Answer 7

2500 BTU/CF

Question 8

Heating value of butane

Answer 8

3200 BTU/CF

Question 9

For propane, CF vapour from 1 pound liquid

Answer 9

8.5

Question 10

What is the latent heat of vaporization for propane ____ BTU/lb?

Answer 10

185

Question 11

What is STP?

Answer 11

Standard Temperature and Pressure

Question 12

What is atmospheric pressure?

Answer 12

14.7 psi or 29.92” Hg
101 kPa or 760mm Hg
1 atm (atmosphere)

Question 13

Latent heat of ice/water (fusion/solidification)

Answer 13

144 BTU/lb or 335 kJ/kg

Question 14

Latent heat of water/steam (vaporization/condensation)

Answer 14

970 BTU/lb or 2257 kJ/kg