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NGA 70 Review – Properties of Natural Gas & Abnormal Operating Conditions – Complete Study and Test Prep Guide

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NGA 70 Review – Properties of Natural Gas & Abnormal Operating Conditions – Complete Study and Test Prep Guide

Institution
NGA 70
Course
NGA 70








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Institution
NGA 70
Course
NGA 70

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Uploaded on
December 4, 2025
Number of pages
4
Written in
2025/2026
Type
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NGA 70 Review – Properties of Natural Gas & Abnormal Operating Conditions –
Complete Study and Test Prep Guide
Aldehydes - Toxic substance formed from incomplete combustion



Carbon Monoxide - CO, byproduct of incomplete combustion



Products of incomplete combustion - CO, Aldehydes, Heat



Products of complete combustion - CO2, H2O, heat



Excess Flow Valve - shuts off flow when a predetermined value is exceeded.



Hydrocarbon - Combination of hydrogen and carbon found in natural gas, oil and coal.



Natural Gas Ignition Temperature - 1100-1200 F



Mercaptan - a sulfur like odor that is added to natural gas before distribution to the consumer, to give it
a distinct, unpleasant odor



Flammability range of natural gas - 5-15%



Specific gravity of natural gas - 0.6



Specific gravity of air - 1.0



specific gravity of propane - 1.56

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