Task 70 Properties of Natural Gas and Abnormal operating
conditions Questions Solved Correctly | Updated
1. Multiple building fires in the same Overpressure
geographical loca- tion could be a sign of.......
2. No smell or too much smell to the gas is a sign of improper
odorization
3. the name of the chemical added to natural mercaptan
gas for safety and odorization is.......
4. natural gas is made up of primarily......... methane
5. the explosive range of natural gas is ........... 5%-15% gas to air
mixture
6. In its natural state (before odor-ant) gas is... colorless, odorless, and
tasteless
7. unusually high pilot lights is a sign of........ overpressure
8. several customers in the same area reporting no gas is
underpressure
a sign of.....
9. when natural gas is compressed pressure and increases
densi- ty........
10. natural gas is (lighter/heavier) than air? lighter
11. less than one pound of gas pressure is inches in a water
measured in............. column in/wc
12. severe pitting and pipe wall loss is a sign of.... corrosion
13. a hissing sound and dirt and rocks being blown around a gas leak-
damage to a
1/
7
, Task 70 Properties of Natural Gas and Abnormal operating
conditions Questions Solved Correctly | Updated
could be a sign of........... facility
14. 1/4 pound of gas equals 7 inches in a water
column (7in/wc)
2/
7
conditions Questions Solved Correctly | Updated
1. Multiple building fires in the same Overpressure
geographical loca- tion could be a sign of.......
2. No smell or too much smell to the gas is a sign of improper
odorization
3. the name of the chemical added to natural mercaptan
gas for safety and odorization is.......
4. natural gas is made up of primarily......... methane
5. the explosive range of natural gas is ........... 5%-15% gas to air
mixture
6. In its natural state (before odor-ant) gas is... colorless, odorless, and
tasteless
7. unusually high pilot lights is a sign of........ overpressure
8. several customers in the same area reporting no gas is
underpressure
a sign of.....
9. when natural gas is compressed pressure and increases
densi- ty........
10. natural gas is (lighter/heavier) than air? lighter
11. less than one pound of gas pressure is inches in a water
measured in............. column in/wc
12. severe pitting and pipe wall loss is a sign of.... corrosion
13. a hissing sound and dirt and rocks being blown around a gas leak-
damage to a
1/
7
, Task 70 Properties of Natural Gas and Abnormal operating
conditions Questions Solved Correctly | Updated
could be a sign of........... facility
14. 1/4 pound of gas equals 7 inches in a water
column (7in/wc)
2/
7
