70 71 Test Practice
What is the specific gravity of Natural Gas? - answers0.6
What is the specific gravity of carbon monoxide? - answers0.96
What is the specific gravity of air? - answers1.0
Natural gas can be either transported in either _________ or _________ form. -
answersgas or liquid
What are the three things needed for combustion? - answersheat, oxygen, fuel
The chemical the gas company uses to make natural gas detectable to our senses. -
answersMercaptan
Natural gas travels in the path of ___________________________. - answersleast
resistance
Most damage done to a pipeline is a result in:
A) Natural disaster
B) Animal/Nature disturbing pipelines
C) Third party Damage such as an excavator or shovel
D) Rocks - answersC) Third party Damage such as an excavator or shovel
What can cause over pressurization in a pipeline? - answersCut or damaged regulator
control lines, flooding, debris on regulator seats, open bypass line, turning incorrect
valves, blockage of pressure regulator vent, controller vent line, or vault atmosphere.
Prior to excavation you must first call: ____________ to receive a dig ticket. -
answers811
An excavator must wait until 7am on the _____________ day to begin excavation. -
answers3rd
List the mark-outs each color represents:
Red-
Orange-
Yellow-
Green-
Blue-
What is the specific gravity of Natural Gas? - answers0.6
What is the specific gravity of carbon monoxide? - answers0.96
What is the specific gravity of air? - answers1.0
Natural gas can be either transported in either _________ or _________ form. -
answersgas or liquid
What are the three things needed for combustion? - answersheat, oxygen, fuel
The chemical the gas company uses to make natural gas detectable to our senses. -
answersMercaptan
Natural gas travels in the path of ___________________________. - answersleast
resistance
Most damage done to a pipeline is a result in:
A) Natural disaster
B) Animal/Nature disturbing pipelines
C) Third party Damage such as an excavator or shovel
D) Rocks - answersC) Third party Damage such as an excavator or shovel
What can cause over pressurization in a pipeline? - answersCut or damaged regulator
control lines, flooding, debris on regulator seats, open bypass line, turning incorrect
valves, blockage of pressure regulator vent, controller vent line, or vault atmosphere.
Prior to excavation you must first call: ____________ to receive a dig ticket. -
answers811
An excavator must wait until 7am on the _____________ day to begin excavation. -
answers3rd
List the mark-outs each color represents:
Red-
Orange-
Yellow-
Green-
Blue-
