ANSWERS.
What is the color of natural gas ? correct answers Blue
If dirt or sand is blowing around , what can be happening ? correct answers Gas is blowing /
leaking
What is used to investigate odor complaints ? correct answers A CGI / Combustible Gas
Indicator
If a dent is found in steel pipe what should you do? correct answers Inspect the pipe
If an explosion occurs in a man hole what could've happened? correct answers Unintentional
ignition
What can damage underground gas facilities correct answers Undermining / soil erosion
What is undermining? correct answers Water compromising the integrity of the soil.
What should you do if you uncover a damaged facility? correct answers Report it to appropriate
personnel
What is carbon monoxide? correct answers Byproduct of incomplete combustion
What are the characteristics of carbon monoxide ? correct answers Flammable
Lighter than air
Oderless
Toxic
Tasteless
How can you tell if a pipe is damaged ? correct answers Gouged
Bent
Cracked
Broken
What can be said if there is flooding in a street and a high-pressure gas leak? correct answers
Undermining has occurred
What makes natural gas expand and contract? correct answers The temperature
What is the main component found in natural gas ? correct answers Methane
Compressing natural gas does what ? correct answers Increase pressure and density
What does venting mean? correct answers Blowing