Natural Gas Facts

Question 1

3 chief physical properties?

Answer 1

1. Odorless
2. Non-Toxic
3. Lighter than air

Question 2

Main chemical components?

Answer 2

1. Methane (Approx. 85%)
2. Ethane ( Approx. 11%)
3. Other gases ( Approx. 4%)

Question 4

Requirements for combustion?

Answer 4

1. Fuel ( Gaseous State )
2. Oxygen
3. Heat

Question 5

By Products of complete combustion?

Answer 5

1. Light
2. Heat
3. Water Vapor
4. Carbon Dioxide (CO2)

Question 6

By products of incomplete Combustion?

Answer 6

1. Light
2. Heat
3. Water Vapor
4. Carbon Dioxide (co2)
5. Carbon Monoxide (co)
6. Aldehydes

Question 7

Limits of Flammability?

Answer 7

1. Definition : percent of gas in air that will support combustion
2. 4% to 14%
3. Approximate ignition temperature : 1,200 f

Question 8

What does btu mean ?

Answer 8

British thermal unit

Question 9

BTU definition ?

Answer 9

Amount of heat required to raise 1 lb of water 1•f

Question 10

1 cubic foot of natural gas =?

Answer 10

1,000 BTU

Question 11

1 Therm =?

Answer 11

100,000 BTU =100 cu.ft.

Question 12

CFH=?

Answer 12

Cubic feet per hour

Question 13

CCF

Answer 13

100 cubic feet

Question 14

MCF = ?

Answer 14

1,000 cubic feet

Question 15

Natural gas can assume three states of matter?

Answer 15

1. Gaseous
2. Liquid ( -260•f)
3. Solid (-280•f)

Question 16

Safety factors compared to other fuels?

Answer 16

1. Lighter than air (approx .65 )
2. Higher ignition temperature (Approx. 1,200•f)
3. Limits of flammability (4% to 14%)

Question 17

Specific gravity?

Answer 17

Approx 0.65

Question 18

Mercaptan is added to provide odor

Answer 18

Scentinel 50

Question 19

Ch4 means?

Answer 19

Methane

Question 20

LNG

Answer 20

Liquefied Natural Gas

Question 21

Natural gas is economical , true or false?

Answer 21

True true

Question 22

When cooled to a temperate to -260•f has what reduction ratio?

Answer 22

600:1

Question 23

How much of odorant to cubic feet is added to natural gas?

Answer 23

1 pound of odorant to 1milion cubic feet of natural gas .

Question 24

1 million cubic feet will supply how many homes ?

Answer 24

20 avg size homes for 1 year

Question 25

What does Mercaptan Scentinel T-50 smell like?

Answer 25

Rotten egg odor

Question 26

How heavy is air?

Answer 26

1.0

Question 27

What degree does a match approximately light to ?

Answer 27

250•f

Question 28

1 match =?

Answer 28

1Btu