102k

Question 1

Liquid and gas specific density of propane

Answer 1

0.51 liquid
1.5 gas

Question 2

Liquid and gas specific density of natural gas

Answer 2

Liquid 0.424
Gas 0.6

Question 3

Density equation is

Answer 3

Weight / volume

Question 4

Density of water

Answer 4

10lbs/gal
1gal = 10lbs

Question 5

Propane boiling point

Answer 5

-44

Question 6

Natural gas boiling point

Answer 6

-258

Question 7

Methane (natural gas) chemical formula

Answer 7

CH4

Question 8

Propane chemical formula

Answer 8

C3H8

Question 9

Butane chemical formula

Answer 9

C4H10

Question 10

When propane expands from liquid to gas how many times does it multiple by

Answer 10

270 times out of

Question 11

Methane gas Calorifiic value

Answer 11

1000 BTU/ft3

Question 12

Propane gas calorific value

Answer 12

2500 BTU/ft3

Question 13

Propane releases how much more energy than gas

Answer 13

2 1/2 times more

Question 14

Calorific value definition is

Answer 14

The C.V of liquid petroleum gases are expressed as btu per imperial gallon of liquid

Question 15

How do you calculate BTU?

Answer 15

Weight of water x temperature rise x specific heat

Question 16

How do you calculate appliance effeciency

Answer 16

Output of appliance / input of appliance

Question 17

Range of flammability for propane is

Answer 17

2.3-9.5%

Question 18

Range of flammability for natural gas

Answer 18

5-15%

Question 19

Ignition temperature and flames temperature for propane

Answer 19

Ignition 950
Flame temp 3500

Question 20

Ignition and flame temperature for natural gas

Answer 20

Ignition 1200
Flame temperature 3350

Question 21

Calorific value (imp gal) for LPG propane is

Answer 21

109,560

Question 22

Calorific value (imp gal) for LPG natural gas is

Answer 22

96,000