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NGA 70 Review Exam Questions and Answers Graded A+

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NGA 70 Review Exam Questions and Answers Graded A+

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NGA 70 Review Exam Questions and
Answers Graded A+

Aldehydes - Correct answer-Toxic substance formed from incomplete combustion

Carbon Monoxide - Correct answer-CO, byproduct of incomplete combustion

Products of incomplete combustion - Correct answer-CO, Aldehydes, Heat

Products of complete combustion - Correct answer-CO2, H2O, heat

Excess Flow Valve - Correct answer-shuts off flow when a predetermined value is

exceeded.

Hydrocarbon - Correct answer-Combination of hydrogen and carbon found in

natural gas, oil and coal.

Natural Gas Ignition Temperature - Correct answer-1100-1200 F

Mercaptan - Correct answer-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 - Correct answer-5-15%

Specific gravity of natural gas - Correct answer-0.6

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